Punch is a word that refers to a forceful blow with one's fist. However, there are other words that can be used as synonyms, such as hit, strike, smack, and thump. While these words are similar to "punch," they may convey slightly different meanings depending on the context in which they are used. For instance, a hit may suggest a more decisive blow, while a smack may indicate a lighter, more playful one. Additionally, a thump may suggest a duller sound or the use of an object, as opposed to a fist. Overall, there are many ways to describe a forceful blow, and a variety of synonyms for "punch" exist to help writers and speakers convey meaning more precisely.