Source : Webster's Revised Unabridged Dictionary (1913)

Somewhat \Some"what`\, n.
   1. More or less; a certain quantity or degree; a part, more
      or less; something.

            These salts have somewhat of a nitrous taste.
                                                  --Grew.

            Somewhat of his good sense will suffer, in this
            transfusion, and much of the beauty of his thoughts
            will be lost.                         --Dryden.

   2. A person or thing of importance; a somebody.

            Here come those that worship me. They think that I
            am somewhat.                          --Tennyson.

Somewhat \Some"what`\, adv.
   In some degree or measure; a little.

         His giantship is gone, somewhat crestfallen. --Milton.

         Somewhat back from the village street.   --Longfellow.

Source : WordNet®

somewhat
     adv 1: to a small degree or extent; "his arguments were somewhat
            self-contradictory"; "the children argued because one
            slice of cake was slightly larger than the other"
            [syn: {slightly}]
     2: to a moderately sufficient extent or degree; "the shoes are
        priced reasonably"; "he is fairly clever with computers";
        "they lived comfortably within reason" [syn: {reasonably},
         {moderately}, {within reason}, {fairly}, {middling}, {passably}]
        [ant: {unreasonably}, {unreasonably}]