The Collaborative International Dictionary of English v.0.48:

Nearly \Near"ly\, adv.
   In a near manner; not remotely; closely; intimately; almost;
   as, he nearly lost his life in the accident.
   [1913 Webster]

WordNet (r) 3.0 (2006):

nearly
    adv 1: (of actions or states) slightly short of or not quite
           accomplished; all but; "the job is (just) about done";
           "the baby was almost asleep when the alarm sounded";
           "we're almost finished"; "the car all but ran her down";
           "he nearly fainted"; "talked for nigh onto 2 hours"; "the
           recording is well-nigh perfect"; "virtually all the
           parties signed the contract"; "I was near exhausted by
           the run"; "most everyone agrees" [syn: about, almost,
           most, nearly, near, nigh, virtually, well-
           nigh]
    2: in a close manner; "the two phenomena are intimately
       connected"; "the person most nearly concerned" [syn:
       closely, intimately, nearly]

Moby Thesaurus II by Grady Ward, 1.0:

56 Moby Thesaurus words for "nearly":
   about, all but, all in all, almost, almost entirely, approaching,
   approximately, around, as good as, barely, by and large, chiefly,
   circa, close, close to, closely, effectually, essentially, exactly,
   hardly, identically, in, in effect, in essence, in the main,
   just about, mainly, more or less, most, mostly, much, narrowly,
   near, nearabout, nearing, nigh, nighhand, not quite, on balance,
   on the whole, only just, plus ou moins, practically, precisely,
   pretty near, roughly, round, roundly, rudely, say, scarcely, some,
   somewhere, substantially, virtually, well-nigh