exert

verb

Etymology: From Latin exsertus, past participle of exserō (“to stretch or thrust forth or out”), from ex- + serō (“to string together”).

1. To make use of, to apply, especially of something non-material; to bring to bear.

   “He considered exerting his influence on John to gain an advantage for himself.”

   “Meanwhile Nanny Broome was recovering from her initial panic and seemed anxious to make up for any kudos she might have lost, by exerting her personality to the utmost. She took the policeman's helmet and placed it on a chair, and unfolded his tunic to shake it and fold it up again for him.”

2. To put in vigorous action.

   “I exerted myself in today's training.”