be careful or certain to do something; make certain of something | get to know or become aware of, usually accidentally |
inform positively and with certainty and confidence | trap; especially in an error or in a reprehensible act |
assure somebody of the truth of something with the intention of giving the listener confidence | establish after a calculation, investigation, experiment, survey, or study |
make a promise or commitment | find out, learn, or determine with certainty, usually by making an inquiry or other effort |
make certain of | |