to know; (intransitive) to be aware of a fact / to know; (transitive) to be aware of a value or piece of information / to know; (auxiliary with a verb in the impersonal infinitive) to know how to do something / (transitive with de or sobre) to know about; to have heard about / (Portugal) (transitive with a) to taste of (to have the same taste as) / (Portugal) to have a pleasant taste

knowledge; lore (intellectual understanding)

(idiomatic) namely, i.e., to wit; that is to say

Used other than figuratively or idiomatically: see quer, saber. / you know what (used to get attention before announcing something)

know-how (the knowledge and skill to be able to do something correctly)

Used other than figuratively or idiomatically: see vai, saber. / who knows (a rhetorical question asked to show that the asker neither knows the answer nor who might know it) / who knows (asked to express the idea that anything is possible)

(idiomatic) to know by heart

knowledge is power

(rude) I don't care

(idiomatic) to know very well