predicates Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. the part of a sentence that tells what the subject does or what is done to the subject; to proclaim; declare; affirm; assert. Example Sentence His retraction predicates a change of attitude. Synonyms to proclaim; declare; affirm; assert Antonyms deny Hear It! Say It! Write It! predicates Switch to cursive Start Share with your friends: