What is the meaning of Suggestion?

Something suggested (with subsequent adposition being for)

The act of suggesting.

Something implied, which the mind is liable to take as fact.

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.

genitive singular of suggestio

suggestion; proposal

suggestion (psychology, etc.)

suggestion; proposal

Source: wiktionary.org