be careful or certain to do something; make certain of something | get to know or become aware of, usually accidentally |
learn or discover with certainty | identify as in botany or biology, for example |
find out, learn, or determine with certainty, usually by making an inquiry or other effort | make known to the public information that was previously known only to a few people or that was meant to be kept a secret |
establish after a calculation, investigation, experiment, survey, or study | make a discovery, make a new finding |
| see for the first time; make a discovery |
| discover or determine the existence, presence, or fact of by perception with the eyes |
| find unexpectedly |