The Collaborative International Dictionary of English v.0.48:

Greeting \Greet"ing\, n.
   Expression of kindness or joy; salutation at meeting; a
   compliment from one absent.
   [1913 Webster]

         Write to him . . . gentle adieus and greetings. --Shak.

   Syn: Salutation; salute; compliment.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Greet \Greet\, v. t. [imp. & p. p. Greeted; p. pr. & vb. n.
   Greeting.] [OE. greten, AS. gr[=e]tan to address, approach;
   akin to OS. gr[=o]tian, LG. gr["o]ten, D. groeten, OHG.
   gruozzen, G. gr["u]ssen. [root]50.]
   1. To address with salutations or expressions of kind wishes;
      to salute; to hail; to welcome; to accost with friendship;
      to pay respects or compliments to, either personally or
      through the intervention of another, or by writing or
      token.
      [1913 Webster]

            My lord, the mayor of London comes to greet you.
                                                  --Shak.
      [1913 Webster]

   2. To come upon, or meet, as with something that makes the
      heart glad.
      [1913 Webster]

            In vain the spring my senses greets.  --Addison.
      [1913 Webster]

   3. To accost; to address. --Pope.
      [1913 Webster]

WordNet (r) 3.0 (2006):

greeting
    n 1: (usually plural) an acknowledgment or expression of good
         will (especially on meeting) [syn: greeting,
         salutation]

Moby Thesaurus II by Grady Ward, 1.0:

61 Moby Thesaurus words for "greeting":
   Parthian shot, accost, address, affirmation, allegation, answer,
   apostrophe, assertion, averment, best wishes, bob, bow, card,
   comment, compliments, crack, curtsy, declaration, devoirs, dictum,
   embrace, exclamation, expression, good wishes, greetings, hail,
   hand-clasp, handshake, hello, how-do-you-do, hug, interjection,
   kiss, mention, message, nod, note, observation, phrase, position,
   pronouncement, question, reception, reflection, regards, remark,
   respects, salutation, salute, say, saying, sentence, smile,
   smile of recognition, statement, subjoinder, thought, utterance,
   wave, welcome, word