Source : Webster's Revised Unabridged Dictionary (1913)

Venally \Ve"nal*ly\, adv.
   In a venal manner.

Source : WordNet®

venally
     adv : in a corrupt and deceitful manner; "he acted dishonestly
           when he gave the contract to his best friend" [syn: {dishonestly},
            {deceitfully}] [ant: {honestly}]