make certain of; This nest egg will ensure a nice retirement for us; Preparation will guarantee success!

[ Syn: guarantee , ensure , insure , secure ]

inform positively and with certainty and confidence; I tell you that man is a crook!

[ Syn: tell ]

assure somebody of the truth of something with the intention of giving the listener confidence; I assured him that traveling to Cambodia was safe'

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 ]

cause to feel sure; give reassurance to; The airline tried to reassure the customers that the planes were safe

[ Syn: reassure ]

make a promise or commitment

[ Syn: promise ]