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V2 |
ascertain | learn or discover with certainty | |
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V2 |
see, insure, check, assure, see to it, ensure, ascertain, control | be careful or certain to do something; make certain of something | |
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V2 |
see, find out, check, learn, ascertain, determine, watch, work out, discover, establish | find out, learn, or determine with certainty, usually by making an inquiry or other effort | |
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V2 |
determine, find, find out, ascertain | establish after a calculation, investigation, experiment, survey, or study |