be careful or certain to do something; make certain of something | gain knowledge or skills |
inform positively and with certainty and confidence | get to know or become aware of, usually accidentally |
assure somebody of the truth of something with the intention of giving the listener confidence | be a student of a certain subject |
make a promise or commitment | commit to memory; learn by heart |
make certain of | impart skills or knowledge to |
| find out, learn, or determine with certainty, usually by making an inquiry or other effort |