apologize
definition
to say you are sorry
example
I would like to apologize for being so rude to my boss.
synonyms
excuseadmit guiltsay sorry
word origin — late 16th century (in the sense ‘make a defensive argument’): from Greek apologizesthai ‘give an account’, from apologos (see apologue). In English the verb has always been used as if it were a direct derivative of apology