say it: FAWR-ti-fahy
fortify is a verb meaning "make strong or stronger". It carries 5 recorded senses.
make strong or stronger
“This exercise will strengthen your upper body”
“strengthen the relations between the two countries”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for fortify come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.