Source : Webster's Revised Unabridged Dictionary (1913)

Seemly \Seem"ly\, adv. [Compar. {Seemlier}; superl.
   {Seemliest}.]
   In a decent or suitable manner; becomingly.

         Suddenly a men before him stood, Not rustic as before,
         but seemlier clad, As one in city or court or place
         bred.                                    --Milton.

Source : WordNet®

seemly
     adj : according with custom or propriety; "her becoming modesty";
           "comely behavior"; "it is not comme il faut for a
           gentleman to be constantly asking for money"; "a decent
           burial"; "seemly behavior" [syn: {becoming}, {comely},
           {comme il faut}, {decent}, {decorous}]
     [also: {seemliest}, {seemlier}]

seemliest
     See {seemly}