1.VerbTo imply but stop short of explicitly stating (something).
"Are you suggesting that I killed my wife?"
2.VerbTo cause one to suppose (something); to bring to one's mind the idea (of something).
"The name "hamburger" suggests that hamburgers originated from Hamburg."
3.VerbTo explicitly mention (something) as a possibility for consideration, often to recommend it.
"This meeting venue was suggested to us by our boss.; He suggests that we celebrate with dinner at Bellissimo. He suggests our celebrating with dinner at Bellissimo.; The guidebook suggested that we visit the local cathedral, so that's what we did."