definition of
fortify

[1] #1 fortify v. [strengthen, beef up] make strong or stronger; "This exercise will strengthen your upper body"; "strengthen the relations between the two countries". wn

[2] #2 fortify v. [fort] enclose by or as if by a fortification. wn

[3] #3 fortify v. [arm, build up, gird] prepare oneself for a military confrontation; "The U.S. is girding for a conflict in the Middle East"; "troops are building up on the Iraqi border". wn

[4] #4 fortify v. add nutrients to; "fortified milk". wn

[5] #5 fortify v. [spike, lace] add alcohol to (beverages); "the punch is spiked!". wn