The Collaborative International Dictionary
Impetrative
Impetrative \Im"pe*tra*tive\, a. [L. impetrativus obtained by
entreaty.]
Of the nature of impetration; getting, or tending to get, by
entreaty. [Obs.]
--Bp. Hall.
Wiktionary
impetrative
a. (context obsolete English) Of the nature of impetration; getting, or tending to get, by entreaty.