hello

• An expression of greeting (synset 106645018)
  hypernym: greeting, salutation - (usually plural) an acknowledgment or expression of good will (especially on meeting)
  synonym: hi, how-do-you-do, howdy, hullo

Other Searches

• Rhyme: Dillfrog, RhymeZone
• Definition: Wiktionary, Dictionary.com, Wikipedia, Merriam-Webster, WordNet
• Imagery: Google, Flickr, Bing