n. A phonological relationship where a front vowel is found in place of a relative back vowel in an inflected form of a word.
n. An analogous relationship between the vowel sounds in a dialect of a language relative to the language standard or an earlier form of the language.
v. Present participle of front.
Word Usage
"Ghostlight's model is to share the costs and profits of a cast album with a musical's producers, a break from the customary practice of a label fronting all costs but keeping all profits, minus the required royalty payments."