To learn or discover with certainty.
Find out for certain.
(Irregular preterit, past participle: understood).
1. To perceive mentally, as of an idea; SYN. realize, see.
2. To know and comprehend the nature or meaning of.
3. To make sense of a language, although one may not be able to produce it; SYN. read, interpret, translate.
4. To believe to be the case; SYN. gather, infer.