espoused

adjective2

1. •
   Having been espoused or claimed; held (as a belief or position).

   • Contrary to most espoused wisdom, most distance hikers travel alone. — 2009
2. •
   Married, engaged, or in a committed monogamous relationship.

   • Eliezer immediately brought jewels of silver, jewels of gold, and raiment, and offered them to her as the espoused wife of Isaac. — 1866