The Collaborative International Dictionary of English v.0.48:

Greet \Greet\ (gr[=e]t), v. i.
   To meet and give salutations.
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         There greet in silence, as the dead are wont, And sleep
         in peace.                                --Shak.
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The Collaborative International Dictionary of English v.0.48:

Greet \Greet\, n.
   Greeting. [Obs.] --F. Beaumont.
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The Collaborative International Dictionary of English v.0.48:

Greet \Greet\, a.
   Great. [Obs.] --Chaucer.
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The Collaborative International Dictionary of English v.0.48:

Greet \Greet\, v. i. [OE. greten, AS. gr[=ae]tan, gr[=e]tan;
   akin to Icel. gr[=a]ta, Sw. gr[*a]ta, Dan. gr[ae]de, Goth.
   gr[=e]ctan; cf. Skr. hr[=a]d to sound, roar. [root]50.]
   To weep; to cry; to lament. [Obs. or Scot.] [Written also
   greit.] --Spenser.
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The Collaborative International Dictionary of English v.0.48:

Greet \Greet\, n.
   Mourning. [Obs.] --Spenser.
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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.
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            My lord, the mayor of London comes to greet you.
                                                  --Shak.
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   2. To come upon, or meet, as with something that makes the
      heart glad.
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            In vain the spring my senses greets.  --Addison.
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   3. To accost; to address. --Pope.
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WordNet (r) 3.0 (2006):

greet
    v 1: express greetings upon meeting someone [syn: greet,
         recognize, recognise]
    2: send greetings to
    3: react to in a certain way; "The President was greeted with
       catcalls"
    4: be perceived by; "Loud music greeted him when he entered the
       apartment"

Moby Thesaurus II by Grady Ward, 1.0:

49 Moby Thesaurus words for "greet":
   accost, address, apostrophize, appeal to, approach, bawl, bespeak,
   bid good day, bid good morning, blubber, boohoo, bow to,
   break down, burst into tears, buttonhole, call to, cry, curtsy,
   dissolve in tears, drop a tear, exchange greetings, hail, halloo,
   invoke, kiss, kiss hands, lift the hat, meet, nod to,
   pull the forelock, receive, salute, say hello, shake, shake hands,
   shed tears, snivel, sob, speak, speak fair, speak to, take aside,
   talk to, touch the hat, uncover, usher in, weep, welcome,
   whimper