Source : Webster's Revised Unabridged Dictionary (1913)

Pleadingly \Plead"ing*ly\, adv.
   In a pleading manner.

Source : WordNet®

pleadingly
     adv : in a beseeching manner; "`You must help me,' she said
           imploringly" [syn: {beseechingly}, {importunately}, {imploringly},
            {entreatingly}]