Sentence:  One would need to test this proposition carefully ; after all , the large ( and probably unreliable ) Reader 's Digest literature on the `` most unforgettable <WSD>character</WSD> I ever met '' deals with village grocers , country doctors , favorite if illiterate aunts , and so forth . 
Meaning of the word marked with <WSD> tags:  an imaginary person represented in a work of fiction (play or film or story)