Neolithic humans lived in the caves pocking its slopes, and by around 1400 BCE a fortified palace was built atop the Acropolis.
At night the military lobs shells and missiles from fortified bases at fighters and the villages that host them.
The Central Intelligence Agency found bin Laden hiding in a “fortified compound” in Abbottabad, Pakistan in late 2010.
early 15c., "increase efficacy" (of medicine); mid-15c., "provide (a town) with walls and defenses," from Old French fortifiier (14c.) "to fortify, strengthen," from Late Latin fortificare "to strengthen, make strong," from Latin fortis "strong" (see fort) + facere "to make" (see factitious).
Sense of "to strengthen mentally or morally" is from late 15c. Meaning "add liquor or alcohol" is from 1880. Related: Fortified; fortifying.