The term SWORE is a verb that means to make a solemn promise or commitment. The crossword solutions ATTESTED (8 letters), AVERRED (7 letters), PLEDGED (7 letters), CUSSED (6 letters), VOWED (5 letters), and AVOWED (6 letters) all have similar meanings to the term SWORE. ATTESTED means to affirm or prove the truth of something, AVERRED means to state something positively and emphatically, PLEDGED means to make a solemn promise or commitment, CUSSED means to use profane or obscene language, VOWED means to make a solemn promise, and AVOWED means to declare openly and boldly.