Well, let's consult the dictionary.
_______________ sug·ges·tion
/səˈjesCHən, səɡˈjesCHən/
noun, suggestion; plural noun, suggestions
:an idea or plan put forward for consideration
_______________
Huh. I don't see anything in there about you make a suggestion and »POOF« it is enacted just because you suggested it. I'll keep looking; it's gotta be in there somewhere.