For·ti·fy v. t. [imp. & p. p. Fortified p. pr. & vb. n. Fortifying.]
1. To add strength to; to strengthen; to confirm; to furnish with power to resist attack.
Timidity was fortified by pride. --Gibbon.
Pride came to the aid of fancy, and both combined to fortify his resolution. --Sir W. Scott.
2. To strengthen and secure by forts or batteries, or by surrounding with a wall or ditch or other military works; to render defensible against an attack by hostile forces.
fortifying
adj : invigorating physically or mentally [syn: strengthening]