Verb
To add strength to; to strengthen; to confirm; to furnish with power to resist attack.
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.
To raise defensive works.
Source: Webster's dictionaryThe object of preaching is to constantly remind mankind of what they keep forgetting; not to supply the intellect, but to fortify the feebleness of human resolutions. Sydney Smith
Fortify thyself with contentment: that is an impregnable stronghold. Epictetus
Only the consciousness of a purpose that is mightier than any man and worthy of all men can fortify and inspirit and compose the souls of men. Walter Lippmann
Interwoven as is the love of liberty with every ligament of your hearts, no recommendation of mine is necessary to fortify or confirm the attachment. George Washington
An elite class that is free to operate without limits - whether limits imposed by the rule of law or fear of the responses from those harmed by their behavior - is an elite class that will plunder, degrade, and cheat at will, and act endlessly to fortify its own power. Glenn Greenwald
If poetry and the arts do anything, they can fortify your inner life, your inwardness. Seamus Heaney