Definition of: fortify

(fôr′tə·fī) v. ·fied, ·fy·ing v.t.
1. To provide with defensive works; strengthen against attack.
2. To give physical or moral strength to; invigorate or encourage.
3. To confirm; corroborate.
4. To strengthen the structure of; reenforce.
5. To strengthen, as wine, by adding alcohol.
6. To enrich (food) by adding minerals, vitamins, etc.
—v.i.
7. To raise defensive works. [<F fortifier <L fortificare <fortis strong + facere make]
—for′·ti·fi′a·ble adjective
—for′ti·fi′er noun