Source : Webster's Revised Unabridged Dictionary (1913)

Humorously \Hu"mor*ous*ly\, adv.
   1. Capriciously; whimsically.

            We resolve rashly, sillily, or humorously. --Calamy.

   2. Facetiously; wittily.

Source : WordNet®

humorously
     adv : in a humorous manner; "Dickens had humorously suggested a
           special service of intercession at St. Paul's
           Cathedral" [syn: {with humor}, {with humour}] [ant: {humorlessly}]