[ 'fɔ:tɪfʌɪ ]
■ verb ( fortifies , ~ing , fortified )
1》 provide with defensive works as protection against attack.
2》 invigorate or encourage.
3》 [often as adjective fortified ] add spirits to (wine) to make port, sherry, etc.
↘increase the nutritive value of (food) by adding vitamins.
Derivatives
fortifiable adjective
fortifier noun
Origin
ME: from Fr. fortifier , from late L. fortificare , from L. fortis 'strong'.