Source : Webster's Revised Unabridged Dictionary (1913)

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.

            My lord, the mayor of London comes to greet you.
                                                  --Shak.

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

            In vain the spring my senses greets.  --Addison.

   3. To accost; to address. --Pope.

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

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

   Syn: Salutation; salute; compliment.

Source : WordNet®

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