impetration /ɪmpɪˈtɹeɪʃən/ noun2 •(no longer used) The act of impetrating, or obtaining by petition or entreaty.In way of impetration procuring the removal or allevation of our crosses. — 1678 •(UK, no longer used) The obtaining of benefice from Rome by solicitation, which benefice belonged to the disposal of the king or other lay patron of the realm. formsimpetrations