Fistic is an adjective that means of or pertaining to boxing. It is often used to describe physical aggression or violence. However, there are many synonyms that can be used in its place. Some common synonyms include pugilistic, fighting, combative, bellicose, belligerent, aggressive, and militant. Each of these words adds a unique nuance to the meaning of the sentence, emphasizing different aspects of physical confrontation. For example, "pugilistic stance" places more emphasis on the technical skills of a boxer, while "bellicose behavior" suggests a more general tendency toward hostility. Regardless of the word chosen, it is important to consider the tone and context of the sentence in order to convey the intended meaning clearly.