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]
(..) we'll need to take a close look at who we're considering for your cabinet. You'll need a team around you with wartime experience. I have some suggestions I've passed on to Mark. I think Deputy Director of the CIA, Marcy Siegerson, would make a terrific Secretary of State. (..)2017 TvShow: House of Cards Title: Chapter 65 Season: 5 Episode 13
(..) We don't even know if we're gonna charge him yet. I did it. Let's get going. Who do you have on her cabinet? Right now, they're just suggestions. Oh, come on. We both know how this works. You've already made your choices. You wouldn't be worth your salt if you hadn't. (..)2017 TvShow: House of Cards Title: Chapter 65 Season: 5 Episode 13