Check means to test, examine, compare or inspect something to see if it is as it should be.
(Intransitive) To prove (after an investigation) to be the case / in order.
To announce one's arrival (at a hotel etc.)
Find another word for suss-out. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for suss-out, like: check, check-up-on, look into, check out, check-over, go over and check-into.