The phrase "put a bluff" refers to someone trying to deceive others by pretending to have an advantage or knowledge they actually don't possess. There are many synonyms for this phrase, including "bluster," "brag," "dissemble," "feign," "mislead," "pretend," "simulate," "trick," and "dupe." These words all convey the idea of someone attempting to gain an advantage through deception, whether in card games or in other contexts. While putting a bluff may be successful in the short term, it's important to remember that honesty and integrity are essential for building lasting relationships and personal success.