Sentence:  Seeing so <WSD>many</WSD> illustrations and reading so many testimonials to the value of Quick-Wate and Super-Protein , those two wonder-working Weider food supplements , he decided to try them and see what they could do for him . 
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