FORTIFY

[for.ti.fy] vb -fied ; -fy.ing [ME fortifien, fr. MF fortifier, fr. LL fortificare, fr. L fortis strong] vt (15c): to make strong: as a: to strengthen and secure (as a town) by forts or batteries b: to give physical strength, courage, or endurance to c: to add mental or moral strength to: encourage "fortified by prayer" d: to add material to for strengthening or enriching ~ vi: to erect fortifications