Sentence:  Finally , the conception of the natural community of all possessions which originated with the Stoics was firmly fixed in a tradition by More 's time , although it was not accepted by <WSD>all</WSD> the theologian philosophers of the Middle Ages . 
Meaning of the word marked with <WSD> tags:  quantifier; used with either mass or count nouns to indicate the whole number or amount of or every one of a class