The Collaborative International Dictionary of English v.0.48:

Belong \Be*long"\, v. t.
   To be deserved by. [Obs.]
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         More evils belong us than happen to us.  --B. Jonson.
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The Collaborative International Dictionary of English v.0.48:

Belong \Be*long"\, v. i. [imp. & p. p. Belonged; p. pr. & vb.
   n. Belonging.] [OE. belongen (akin to D. belangen to
   concern, G. belangen to attain to, to concern); pref. be- +
   longen to desire. See Long, v. i.]

   Note: [Usually construed with to.]
   1. To be the property of; as, Jamaica belongs to Great
      Britain.
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   2. To be a part of, or connected with; to be appendant or
      related; to owe allegiance or service.
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            A desert place belonging to . . . Bethsaids. --Luke
                                                  ix. 10.
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            The mighty men which belonged to David. --1 Kings i.
                                                  8.
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   3. To be the concern or proper business or function of; to
      appertain to. "Do not interpretations belong to God ?"
      --Gen. xl. 8.
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   4. To be suitable for; to be due to.
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            Strong meat belongeth to them that are of full age.
                                                  --Heb. v. 14.
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            No blame belongs to thee.             --Shak.
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   5. To be native to, or an inhabitant of; esp. to have a legal
      residence, settlement, or inhabitancy, whether by birth or
      operation of law, so as to be entitled to maintenance by
      the parish or town.
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            Bastards also are settled in the parishes to which
            the mothers belong.                   --Blackstone.
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WordNet (r) 3.0 (2006):

belong
    v 1: be owned by; be in the possession of; "This book belongs to
         me"
    2: be suitable or acceptable; "This student somehow doesn't
       belong"
    3: be in the right place or situation; "Where do these books
       belong?"; "Let's put health care where it belongs--under the
       control of the government"; "Where do these books go?" [syn:
       belong, go]
    4: be rightly classified in a class or category; "The whales
       belong among the mammals"
    5: be a member, adherent, inhabitant, etc. (of a group,
       organization, or place); "They belong to the same political
       party"
    6: be a part or adjunct; "the uniform looks like it belonged to
       a museum collection"; "These pages don't belong" [syn:
       belong to, belong]

Moby Thesaurus II by Grady Ward, 1.0:

53 Moby Thesaurus words for "belong":
   accord, affect, agree, answer to, appertain, appertain to,
   apply to, be a member, be inscribed, be there, bear on, bear upon,
   become, befit, belong to, carry a card, chime, concern, connect,
   correspond, correspond to, deal with, fit, fit in, go, harmonize,
   have connection with, have its place, have place, hold membership,
   indwell, inhere, interest, involve, liaise with, link with, match,
   pertain, pertain to, refer to, regard, relate to, respect, set,
   subscribe, suit, tally, tie in with, touch, touch upon, treat of,
   vest, vest in