The word Cavillous, meaning inclined to caviling or raising petty objections, has various antonyms that represent a more positive and accepting attitude towards different situations. One such antonym is "agreeable," indicating a willingness to accept or conform to a given idea or suggestion. Alternately, "amiable," "genial," or "affable" can be used, highlighting a friendly or kindly disposition. "Cooperative," "collaborative," or "accommodating" may also be relevant antonyms, emphasizing the willingness to work together and find solutions. In contrast, being "cavillous" implies a more antagonistic or critical attitude; its antonyms suggest a more productive and positive approach.