[1] : WordNet (r) 2.0

look back
     v 1: look towards one's back; "don't look back while you walk"
          syn: look backward
     2: look back upon a period of time, sequence of events, etc.;
        remember; "she reviewed her achievements with pride" syn:
         review, retrospect
see also:
look backward review retrospect 

[2] : Moby Thesaurus II by Grady Ward, 1.0

26 moby thesaurus words for "look back":
   bring back, bring to mind, call back, call to mind, call up,
   conjure up, evoke, hark back, mind, recall, recall to mind,
   recapture, recollect, reevoke, reflect, remember, retrace,
   retrospect, review, review in retrospect, revive,
   see in retrospect, summon up, think back, think of,
   use hindsight

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