animate assure beef up bolster brace brighten up brisk brisken buck up buttress case harden cheer cheer up chirk up confirm convalesce embolden encourage enliven exhilarate fortify fresh up freshen freshen up gain strength get better gird harden hearten improve inspire inspirit invigorate light up nerve perk up pick up prop quicken rally reanimate reassure recreate recruit recuperate refresh refreshen regale reinforce reinvigorate renew restrengthen revive revivify set up shore up sleep it off steel stiffen stimulate strengthen support sustain take courage take heart temper toughen turn the corner undergird vivify