The word "affirmative" is used to convey an affirmation or confirmation of something. There are several synonyms that can be used to replace this word depending on the context of the sentence. Some of the common synonyms for "affirmative" include positive, confirmatory, consenting, approving, and supportive. Other synonyms include assenting, corroborative, ratifying, validating, and acquiescent. Each of these words carries a slightly different nuance and can be used to add depth and variety to your writing. When selecting a synonym for "affirmative", it is important to consider the connotations and associations of each word to ensure that it is the right fit for your intended meaning.