The Collaborative International Dictionary of English v.0.48:

Pend \Pend\, v. i. [imp. & p. p. Pended; p. pr. & vb. n.
   Pending.] [L. pendere.]
   1. To hang; to depend. [R.]
      [1913 Webster]

            Pending upon certain powerful motions. --I. Taylor.
      [1913 Webster]

   2. To be undecided, or in process of adjustment.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Pending \Pend"ing\, a. [L. pendere to hang, to be suspended. Cf.
   Pendent.]
   Not yet decided; in continuance; in suspension; as, a pending
   suit.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Pending \Pend"ing\, prep.
   1. During; as, pending the trail. [Archaic]
      [1913 Webster]

   2. Until; awaiting; as, no decision will be taken pending his
      arrival.
      [PJC]

WordNet (r) 3.0 (2006):

pending
    adj 1: awaiting conclusion or confirmation; "business still
           pending"

Moby Thesaurus II by Grady Ward, 1.0:

65 Moby Thesaurus words for "pending":
   at issue, awaiting, beetle, beetle-browed, beetling, cascading,
   conditional, conditioned, contingent, dangling, dependent,
   depending, depending on, durante, during, falling, falling loosely,
   flowing, forthcoming, hanging, hung, imminent, impendent,
   impending, in abeyance, in question, in suspense, in the balance,
   in the offing, inconclusive, incumbent, jutting, lowering, open,
   over, overhanging, overhung, pendent, pendulant, pendular,
   penduline, pendulous, pensile, projecting, superincumbent,
   suspended, suspenseful, swinging, through, throughout, till,
   unconfirmed, uncounted, undecided, undetermined, unestablished,
   unfinished, unfixed, unsettled, until, untold, up for grabs,
   waiting for, weeping, while