Suggestion
Hint, Implication
noun, verbal noun
しさ
含意 （がんい） Implication, Hint At, Connotation, Suggestion
示唆 （しさ） Suggestion, Hint, Implication
審査 （しんさ） Examination, Inspection, Investigation, Review
She し saw さ the Suggestion as criticism.
She し saw さ the Hint and figured it out.
The Implication is that she し saw さ something.