verb

know

Translation

know, be aware of, understand

I know his name.

Do you know how to swim?

I know that he is honest.

She is known for her kindness.

((sth.)) to have information about (sth.) I know the answer.

((sb.)) to be familiar with (sb.) I know your brother.

((that ...)) to be certain (that ...) I know that you are right.

((how to-inf)) to have the ability to do (sth.) She knows how to cook.

Synonyms: understand, recognize, perceive; Antonyms: ignore, be unaware

From Old English 'cnawan', related to 'can' and 'ken'. The root means to perceive or recognize.

If you 'know' something, you 'now' have the information. The 'k' is silent, like a secret you know.