Sentence:  This combined experience , on a foundation of very average , I assure you , intelligence and background , has helped me do things <WSD>many</WSD> well-informed people would bet heavily against . 
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