fortify Synonyms

strengthen lace spike build up secure gird beef up fort arm stiffening stiffen toughen stimulate strengthening toughening toughened supercharge support sustain tempering thicken steel regenerate reinforce reinvigorate rejuvenate restore restrengthen revitalize revive steadying revivify safeguard shield shoring solace spiking refresh turreted undergird chirk up pep up keep an eye on watch over brace up prop up shore up buoy up buck up reinforced