Sentence:  One of the reasons for the high percentage of Jewish teen-agers in college is that a great <WSD>many</WSD> urban Jews are enabled to attend local colleges at modest cost . 
Meaning of the word marked with <WSD> tags:  a quantifier that can be used with count nouns and is often preceded by `as' or `too' or `so' or `that'; amounting to a large but indefinite number