The Collaborative International Dictionary of English v.0.48:

Separate \Sep"a*rate\, p. a. [L. separatus, p. p. ]
   1. Divided from another or others; disjoined; disconnected;
      separated; -- said of things once connected.
      [1913 Webster]

            Him that was separate from his brethren. --Gen.
                                                  xlix. 26.
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   2. Unconnected; not united or associated; distinct; -- said
      of things that have not been connected.
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            For such an high priest became us, who is holy,
            harmless, undefiled, separate from sinnere. --Heb.
                                                  vii. 26.
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   3. Disunited from the body; disembodied; as, a separate
      spirit; the separate state of souls.
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   Separate estate (Law), an estate limited to a married woman
      independent of her husband.

   Separate maintenance (Law), an allowance made to a wife by
      her husband under deed of separation.
      [1913 Webster] -- Sep"a*rate*ly, adv. --
      Sep"a*rate*ness, n.
      [1913 Webster]

WordNet (r) 3.0 (2006):

separately
    adv 1: apart from others; "taken individually, the rooms were,
           in fact, square"; "the fine points are treated singly"
           [syn: individually, separately, singly,
           severally, one by one, on an individual basis]

Moby Thesaurus II by Grady Ward, 1.0:

39 Moby Thesaurus words for "separately":
   adrift, alone, apart, apart from, aside from, asunder, away from,
   by itself, concretely, definitely, distinctly, especially, exactly,
   expressly, in detail, in particular, in the abstract,
   in the singular, in twain, in two, independently, individually,
   item by item, minutely, once, one by one, particularly, per se,
   personally, piecemeal, precisely, severally, single-handedly,
   singly, singularly, solely, specially, specifically,
   to be specific