Dictionary
ben•e•fac•tive
Pronunciation: (ben"u-fak'tiv), [key] Ling.
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adj.
of or pertaining 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.
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n.
a benefactive form or case.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.