assure
动词 assure:
make certain of
同义词:guarantee, ensure, insure, secure
inform positively and with certainty and confidence
同义词:tell
assure somebody of the truth of something with the intention of giving the listener confidence
be careful or certain to do something; make certain of something
同义词:see, check, insure, see to it, ensure, control, ascertain
cause to feel sure; give reassurance to
同义词:reassure
make a promise or commitment
同义词:promise