Something suggested (with subsequent adposition being for)
I have a small suggestion for fixing this: try lifting the left side up a bit.
The act of suggesting.
Suggestion often works better than explicit demand.
Something implied, which the mind is liable to take as fact.
He's somehow picked up the suggestion that I like peanuts.
The act of exercising control over a hypnotised subject by communicating some belief or impulse by means of words or gestures; the idea so suggested.
Information, insinuation, speculation, as opposed to a sworn testimony and evidence