stout·en \ˈstau̇tən\verb (stoutened ; stoutened ; stoutening \-au̇t(ə)niŋ\ ; stoutens) Etymology:stout (II) + -en transitive verb : to make stout < stouten a resolve > intransitive verb : to become stout < she's stoutened so she couldn't make the dress meet on her — Ellen Glasgow >