Nasalize v. t. : To render nasal, as sound; to insert a nasal or sound in.

Nasalize v. t. : To utter words or letters with a nasal sound; to speak through the nose.

Example:
If elephants could talk how would they sound?

Taxonomy
nasalized, nasalization, vowels, intr, fricatives, languages, Nasal vowels, consonants, mouth, airflow, stops, 鼻音化, sal, ized, WordNet, Synonym, loss, Translations.

Defination from the web:
nasalize tr. & intr.v. , -ized , -izing , -izes . To make nasal or produce nasal sounds. nasalization na ' saliza ' tion ... WordNet: nasalize. Top. Home > Library > Literature & Language > WordNet. Note: click on a word meaning below to see its connections and related words. ...