to protect or strengthen against attack; surround or provide with defensive military works.

to furnish with a means of resisting force or standing strain or wear

to fortify cotton with nylon.

to make strong; impart strength or vigor to

to fortify oneself with a good breakfast.

to increase the effectiveness of, as by additional ingredients

to fortify a diet with vitamins; to fortify a lotion with lanolin.

to strengthen mentally or morally

to be fortified by religious faith.

to confirm or corroborate

to fortify an accusation with facts.

Nutrition . to add one or more ingredients to (a food) to increase its nutritional content.

to add alcohol to (wine or the like).

to set up defensive works; erect fortifications.

verb

decrease , hurt , injure , weaken , discourage , dissuade

verb

brace , build up , bulwark , buttress , charge up , consolidate , embattle , entrench , garrison , gird , prepare , prop , protect , punch up , ready , reinforce , secure , shore up , soup up , steel * , step up , strengthen , support , arouse , buck up * , cheer , confirm , embolden , energize , enliven , hearten , invigorate , pour it on , rally , refresh , renew , restore , rouse , stiffen , stir , sustain , forearm , steel , harden , arm , barricade , bastille , beef up , boost , enrich , lace , man , sara , stronghold