The crossword solution for the term SWEARS (TO) is ATTESTS, which is a seven letter word. Attesting is an act of affirming or testifying to the truth of something, such as a statement or document. It is often done in a legal context, such as when signing a contract or taking an oath. In this context, swearing (to) is a form of attesting, where a person makes a solemn promise or vow to do something.