Source : Webster's Revised Unabridged Dictionary (1913)

High-toned \High"-toned`\, a.
   1. High in tone or sound.

   2. Elevated; high-principled; honorable.

            In whose high-toned impartial mind Degrees of mortal
            rank and state Seem objects of indifferent weight.
                                                  --Sir W.
                                                  Scott.

Source : WordNet®

high-toned
     adj : pretentiously elegant; "a high-toned restaurant" [syn: {high-class}]