Synonyms of assurance in English:

assurance


See definition of assurance

noun

1‘nothing could shake her calm assurance’

SYNONYMS

self-confidence, confidence, self-assurance, belief in oneself, faith in oneself, positiveness, assertiveness, self-possession, self-reliance, nerve, poise, aplomb, presence of mind, phlegm, level-headedness, cool-headedness

coolness, calmness, composure, collectedness, sangfroid, equilibrium, equanimity, imperturbability, impassivity, nonchalance, serenity, tranquillity, peace of mind

informal cool, unflappability

ANTONYMS

self-doubt, nervousness

2‘you have my assurance that I shall write to you’

SYNONYMS

word of honour, word, guarantee, promise, pledge, vow, avowal, oath, bond, affirmation, undertaking, commitment

archaic troth, parole

3‘there is no assurance of getting one's money back’

SYNONYMS

certainty, guarantee, sureness, certitude, confidence

hope, expectation

ANTONYMS

uncertainty

4‘they required him to take out life assurance’

SYNONYMS

insurance, indemnity, indemnification, protection, security, surety, cover, coverage

guarantee, safeguard, warranty, provision