I'm shocked at the 'suggestion' that he deliberately cheated. = The very 'suggestion' that he deliberately cheated is shocking (to me).
They were careful to avoid any 'suggestion' of impropriety. [=avoid doing anything that could be seen as improper]
There was some 'suggestion' of swelling around his ankle. [=his ankle appeared to be slightly swollen]
(..) like you think I have some answer. - Well, you gotta do something! - We! We have got to do something, and I am opened to suggestions. Man, uh-uh, okay, this whole thing was your deal! Don't you dare put that on me! You brought those guys out there, this is your responsability! (..)2008 TvShow: Breaking Bad Title: Cat's in the Bag... Season: 1 Episode 2