Fustigation refers to the act of beating, thrashing, or striking someone or something. If you are looking for synonyms of the term, you could use words like lashing, whipping, scourging, or flagellating. Other words that could be used to express fustigation include hitting, slapping, belting, or smacking. You could also use expressions like pounding, hammering, or pummeling to convey a sense of force used in the act of fustigation. Fustigation can be done with the hand or with an instrument, like a cane, whip, or paddle. Regardless of the tool used, it denotes physical punishment through means of force.