Definition of grandize in English:

grandize

(also grandise)

verb

rare
  • with object To make (especially exaggeratedly or unduly) great or grand; to aggrandize.

Origin

Mid 17th century; earliest use found in Henry Burton (d. ?1648), Independent minister and religious controversialist. From grand + -ize.

Pronunciation

grandize

/ˈɡrandʌɪz/