Source : Webster's Revised Unabridged Dictionary (1913)

Cautiously \Cau"tious*ly\, adv.
   In a cautious manner.

Source : WordNet®

cautiously
     adv 1: with caution or prudence or tact; "she ventured cautiously
            downstairs"; "they handled the incident with kid
            gloves" [syn: {carefully}, {with kid gloves}] [ant: {incautiously},
             {incautiously}]
     2: in a conservative manner; "we estimated the number of
        demonstrators conservatively at 200,000." [syn: {conservatively},
         {guardedly}]