Assuredness Synonyms

Great coolness and composure under strain
(Noun)
Synonyms:
  1. aplomb
  2. cool
  3. poise
  4. sang-froid
The fact or condition of being without doubt
(Noun)
Synonyms:
  1. assurance
  2. certainty
  3. certitude
  4. confidence
  5. conviction
  6. positiveness
  7. sureness
  8. surety