I guess you would have to define the word "fit" to answer that question.

define 是动词，意思是"给...下定义、明确解释"。这个词来自拉丁语 definire，由前缀 de-（表示"完全、彻底"）和 finire（"限定、划定界限"）组成，字面意思是"划定界限"，引申为"明确界定"。