Source : Webster's Revised Unabridged Dictionary (1913)

Wrongful \Wrong"ful\, a.
   Full of wrong; injurious; unjust; unfair; as, a wrongful
   taking of property; wrongful dealing. -- {Wrong"ful*ly}, adv.
   -- {Wrong"ful*ness}, n.

Source : WordNet®

wrongfully
     adv : by law; conforming to the law; "we are lawfully wedded now"
           [syn: {legally}, {lawfully}, {de jure}] [ant: {unlawfully}]