espouse

kannattaa

naida puhekieltä To become/get married to.
puhekieltä To accept, support, or take on as one’s own (an idea or a cause).
1998, w:William Croft|William Croft, Event Structure in Argument Linking, in: Miriam Butt and Wilhelm Geuder, eds., “The Projection of Arguments”, p. 37

Although Dowty’s proposal is attractive from the point of view of the alternative argument linking theory that I am espousing, since it eschews the use of thematic roles and thematic role hierarchies, …, but it still has some drawbacks.