verb trans
to grasp the meaning of (e.g. words or a speaker)
to have a thorough knowledge of or expertise in (a specified subject, etc)
understand finance
to assume, infer, or suppose (something)
We understand that he is abroad
to interpret (something) in one of a number of possible ways
as I understand it
to supply mentally (something implied though not expressed)
to have a grasp or understanding of something
to believe or infer something to be the case
to show a sympathetic or tolerant attitude
If he loves her he'll understand
[Old English understandan, from under1 + standan to stand1]