Definition: be careful or certain to do something; make certain of something
Usage: He verified that the valves were closed; See that the curtains are closed; control the quality of the product
Main entry: assure
Definition: assure somebody of the truth of something with the intention of giving the listener confidence
Usage: I assured him that traveling to Cambodia was safe
Definition: make a promise or commitment
Definition: make certain of
Usage: This nest egg will ensure a nice retirement for us; Preparation will guarantee success!
Definition: inform positively and with certainty and confidence
Usage: I tell you that man is a crook!
Definition: cause to feel sure; give reassurance to
Usage: The airline tried to reassure the customers that the planes were safe