fortifies

Obamacare draws fire from this segment of “conservatives” because it fortifies the other side in their holy war.

Lobkowitz fortifies himself in Waidhofen; gathers Magazines there, as if towards weightier enterprises.

That is no folly which prepares us for reverses, and fortifies us against change and vicissitude.

Stilicho sends additional forces into Britain, and fortifies the coast against the Saxons.

Serrano fortifies his position by various royal decrees and papal bulls.

You know how the moral force of Arthur's earnestness and enthusiasm fortifies his otherwise weak character.