fortify

verb

1. 1

   make strong or stronger

   This exercise will strengthen your upper body

   strengthen the relations between the two countries

2. 2

   add alcohol to (beverages)

   the punch is spiked!

3. 3

   add nutrients to

   fortified milk

4. 4

   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

5. 5

   enclose by or as if by a fortification