intercede

verb

1. (intransitive)To plead on someone else's behalf.

   “Our Lady intercedes”

2. (intransitive)To act as a mediator in a dispute; to arbitrate or mediate.

   “I to the Lords will intercede, not doubting / Thir favourable ear,”

3. (intransitive)To pass between; to intervene.

   “He supposed that a vast period interceded between that origination and the age wherein he lived.”