Fortify \For"ti*fy\, v. t. [imp. & p. p. Fortified; p. pr. & vb. n. Fortifying.]

[F. fortifier, L. fortificare; fortis strong + -ficare (in comp.) to make. See Fort, and -fy.]

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.

Source: Webster's Revised Unabridged Dictionary (1913)