assure

Meanings

• make certain of
• inform positively and with certainty and confidence
• 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
• cause to feel sure; give reassurance to
  • "The airline tried to reassure the customers that the planes were safe"
• make a promise or commitment

Synonyms

ascertain, check, control, ensure, guarantee, insure, promise, reassure, secure, see, see to it, tell