Antonyms are words that have opposite meanings to another word. For the word "remonstration," which means to protest or complain, some antonyms include agreement, consent, acquiescence, and approval. These words indicate a willingness to accept or embrace something without resistance or objection. Other antonyms for remonstration might include approval, admiration, support, and praise, which indicate a positive response to a situation or action rather than a negative one. When writing or speaking, it's important to consider the context and meaning of words and to use antonyms appropriately to convey the intended message.