1. of or relating to a linguistic form, case, or semantic role that denotes the person or persons for whom an action is performed, as for his son in He opened the door for his son.
  1. a benefactive form or case.

Origin of benefactive

1940–45; < Latin benefact(um) benefit, good deed (noun use of neuter of benefactus; see benefaction) + -ive Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018