'assure' definitions:

Definition of 'assure'

From: WordNet
verb
Make certain of; "This nest egg will ensure a nice retirement for us"; "Preparation will guarantee success!" [syn: guarantee, ensure, insure, assure, secure]
verb
Inform positively and with certainty and confidence; "I tell you that man is a crook!" [syn: assure, tell]
verb
Assure somebody of the truth of something with the intention of giving the listener confidence; "I assured him that traveling to Cambodia was safe"
verb
Be careful or certain to do something; make certain of something; "He verified that the valves were closed"; "See that the curtains are closed"; "control the quality of the product" [syn: see, check, insure, see to it, ensure, control, ascertain, assure]
verb
Cause to feel sure; give reassurance to; "The airline tried to reassure the customers that the planes were safe" [syn: reassure, assure] [ant: vex, worry]
verb
Make a promise or commitment [syn: promise, assure]

Synonyms of 'assure'

From: Moby Thesaurus