Having or showing intelligence, often of a high order

• brainy

  1. (Informal) Having a good mind; intelligent
  2. Intelligent; smart.
  3. (Informal) Very intellectually capable.

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  1. (Informal) Having a good mind; intelligent
  2. Intelligent; smart.
  3. (Informal) Very intellectually capable.

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• knowledgeable

  1. Possessing or showing knowledge or intelligence; perceptive and well-informed.
  2. Intelligent and perceptive
  3. Having knowledge, especially of a particular subject

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  1. Possessing or showing knowledge or intelligence; perceptive and well-informed.
  2. Intelligent and perceptive
  3. Having knowledge, especially of a particular subject

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• intelligent

  1. Capable of some independent functioning because equipped with a microprocessor or computer
  2. Having intelligence:
  3. Appealing to the intellect; intellectual:

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  1. Capable of some independent functioning because equipped with a microprocessor or computer
  2. Having intelligence:
  3. Appealing to the intellect; intellectual:

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• intellectual

  1. Guided by the intellect rather than by feelings
  2. Rational rather than emotional:
  3. Appealing to or engaging the intellect:

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  1. Guided by the intellect rather than by feelings
  2. Rational rather than emotional:
  3. Appealing to or engaging the intellect:

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• brilliant

  1. Superb; wonderful:
  2. Glorious; magnificent:
  3. Sharp and clear in tone:

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  1. Superb; wonderful:
  2. Glorious; magnificent:
  3. Sharp and clear in tone:

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Possessing or showing sound judgment and keen perception

• wise

  1. Having or showing good judgment; sagacious; prudent
  2. Having the ability to discern or judge what is true, right, or lasting; sagacious:
  3. Exhibiting common sense; prudent:

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  1. Having or showing good judgment; sagacious; prudent
  2. Having the ability to discern or judge what is true, right, or lasting; sagacious:
  3. Exhibiting common sense; prudent:

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• sapient

  1. Of or relating to the existing human species (Homo sapiens)
  2. Having great wisdom and discernment.
  3. Full of knowledge; wise; sagacious; discerning

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  1. Of or relating to the existing human species (Homo sapiens)
  2. Having great wisdom and discernment.
  3. Full of knowledge; wise; sagacious; discerning

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• sage

  1. Having or exhibiting wisdom and calm judgment.
  2. Showing wisdom and good judgment
  3. Wise, discerning, judicious, etc.

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  1. Having or exhibiting wisdom and calm judgment.
  2. Showing wisdom and good judgment
  3. Wise, discerning, judicious, etc.

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• sagacious

  1. (Obs.) Having a keen sense of smell
  2. Having or showing keen perception or discernment and sound judgment, foresight, etc.

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  1. (Obs.) Having a keen sense of smell
  2. Having or showing keen perception or discernment and sound judgment, foresight, etc.

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Having or showing a clever awareness and resourcefulness in practical matters

• savvy

  1. (Informal) Shrewd or discerning
  2. Knowledgeable or proficient. Often used in combination:
  3. Well informed and perceptive; shrewd:

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  1. (Informal) Shrewd or discerning
  2. Knowledgeable or proficient. Often used in combination:
  3. Well informed and perceptive; shrewd:

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• wise

  1. Having the ability to discern or judge what is true, right, or lasting; sagacious:
  2. Exhibiting common sense; prudent:
  3. Having or showing good judgment; sagacious; prudent

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  1. Having the ability to discern or judge what is true, right, or lasting; sagacious:
  2. Exhibiting common sense; prudent:
  3. Having or showing good judgment; sagacious; prudent

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• smart

  1. Energetic or quick in movement:
  2. Capable of making adjustments that resemble those resulting from human decisions, chiefly by means of electronic sensors and computer technology:
  3. Amusingly clever; witty:

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  1. Energetic or quick in movement:
  2. Capable of making adjustments that resemble those resulting from human decisions, chiefly by means of electronic sensors and computer technology:
  3. Amusingly clever; witty:

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• slick

  1. (Slang) Excellent, fine, enjoyable, attractive, etc.
  2. (Slang) Excellent; wonderful.
  3. (Informal) Having or showing skill in composition or technique but little depth or literary significance

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  1. (Slang) Excellent, fine, enjoyable, attractive, etc.
  2. (Slang) Excellent; wonderful.
  3. (Informal) Having or showing skill in composition or technique but little depth or literary significance

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• shrewd

  1. Artful, cunning, wily, etc. in one's dealings with others
  2. (Obs.) Evil, bad, wicked, mischievous, shrewish, etc.
  3. Artful, tricky or cunning

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  1. Artful, cunning, wily, etc. in one's dealings with others
  2. (Obs.) Evil, bad, wicked, mischievous, shrewish, etc.
  3. Artful, tricky or cunning

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• perspicacious

  1. Having or showing penetrating mental discernment; clear-sighted.
  2. (Archaic) Having keen vision
  3. Having keen judgment or understanding; acutely perceptive

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  1. Having or showing penetrating mental discernment; clear-sighted.
  2. (Archaic) Having keen vision
  3. Having keen judgment or understanding; acutely perceptive

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• canny

  1. (Northumbrian) Very or much.
  2. (Scot.) Careful in action; gentle; easy; quiet
  3. (Brit., Dial.) Good; nice; fine

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  1. (Northumbrian) Very or much.
  2. (Scot.) Careful in action; gentle; easy; quiet
  3. (Brit., Dial.) Good; nice; fine

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• cagey

  1. Uncommunicative; unwilling or hesitant to give information.
  2. Careful not to get caught or fooled
  3. Sly; tricky; cunning

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  1. Uncommunicative; unwilling or hesitant to give information.
  2. Careful not to get caught or fooled
  3. Sly; tricky; cunning

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• astute

  1. Having or showing a clever or shrewd mind; cunning; crafty; wily
  2. Having or showing shrewdness and discernment, especially with respect to one's own concerns.

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  1. Having or showing a clever or shrewd mind; cunning; crafty; wily
  2. Having or showing shrewdness and discernment, especially with respect to one's own concerns.

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Shrewd

• acute

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• clever

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• sharp

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Implying possession of private information

• conspiratorial

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• meaningful

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• significant

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