Polyglottal
[PAH-lee-glaht-əl]

A polyglot is a person well versed in many languages. It is customarily agreed upon that people who are fluent in two languages are bilingual, well versed in three is a trilingual individual, and a linguist who is spoken in four or more languages is considered a multilingual polyglot.

Polyglottal is the state of being referenced to a person who is a polyglot.