prevail on/upon somebody phrasal verb formal (see also prevail)
to persuade someone
prevail on/upon somebody to do something
She prevailed upon her father to say nothing.

[TahlilGaran] Dictionary of Contemporary English ▲

prevail on
prevail on (someone) (to (do something))
to persuade someone to do something.
My father prevailed on some friends to let us stay with them for a few days.

The TV network prevailed upon the organizers of the track and field championships to schedule the 100-meter final for Sunday afternoon.

[TahlilGaran] English Idioms Dictionary ▲

prevail on
{v.} To bring to an act or belief; cause a change in; persuade.
He prevailed upon the musician to entertain instead of the absent speaker.

He prevailed upon me to believe in his innocence.

[TahlilGaran] English Idioms Dictionary ▲

prevail on someone
prevail on (someone) (to (do something))
to persuade someone to do something.
My father prevailed on some friends to let us stay with them for a few days.

The TV network prevailed upon the organizers of the track and field championships to schedule the 100-meter final for Sunday afternoon.

[TahlilGaran] English Idioms Dictionary ▲