To perceive directly with the intellect

• ken
• understand
• grasp
• fathom
• comprehend
• compass
• apprehend

To participate in or partake of personally

• prove
• undergo
• taste
• suffer
• see
• meet
• have
• go through
• feel
• experience

To undergo an emotional reaction

• taste
• savor
• have
• feel
• experience

To perceive to be identical with something held in the memory

• recognize

To recognize as being different

• tell
• separate
• distinguish
• discriminate
• discern
• differentiate

To possess information

• know the ropes
• know-the-score
• know-one-s-stuff
• be hep to
• have-the-goods-on
• have down cold
• have the jump on
• have-someone-s-number
• know all the answers
• know-what-s-what
• have information about
• keep up on
• be awake to
• be instructed
• remember
• know by rote
• know-inside-and-out
• know by heart
• have a grasp of
• be master of
• have at one's fingertips
• be sure of
• know full well
• be sensible of
• recognize
• ken
• prize
• appreciate
• be familiar with
• be conversant with
• be versed in
• be learned in
• be read in
• be schooled in
• have knowledge of
• be in possession of the facts
• be informed
• be acquainted with
• be cognizant of
• be aware of

To understand

• see-into
• grasp
• apprehend
• comprehend

To recognize

• be acquainted with
• associate with
• be accustomed to
• acknowledge
• have the friendship of
• be familiar with
• identify
• distinguish
• discern
• perceive