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