The Collaborative International Dictionary of English v.0.48:

Recollection \Rec`ol*lec"tion\ (r?k`?l*l?k"sh?n), n. [Cf. F.
   r['e]collection.]
   1. The act of recollecting, or recalling to the memory; the
      operation by which objects are recalled to the memory, or
      ideas revived in the mind; reminiscence; remembrance.
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   2. The power of recalling ideas to the mind, or the period
      within which things can be recollected; remembrance;
      memory; as, an event within my recollection.
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   3. That which is recollected; something called to mind;
      reminiscence. "One of his earliest recollections."
      --Macaulay.
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   4. The act or practice of collecting or concentrating the
      mind; concentration; self-control. [Archaic]
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            From such an education Charles contracted habits of
            gravity and recollection.             --Robertson.
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   Syn: Reminiscence; remembrance. See Memory.
        [1913 Webster]

WordNet (r) 3.0 (2006):

recollection
    n 1: the ability to recall past occurrences [syn: remembrance,
         recollection, anamnesis]
    2: the process of remembering (especially the process of
       recovering information by mental effort); "he has total
       recall of the episode" [syn: recall, recollection,
       reminiscence]
    3: something recalled to the mind