great·en /ˈgretṇ/
(vt.)使變大,使偉大(vi.)變偉大
Great·en, v. i. To become large; to dilate. [R.]
My blue eyes greatening in the looking-glass. --Mrs. Browning.
◄ ►
Great·en v. t. To make great; to aggrandize; to cause to increase in size; to expand. [R.]
A minister's [business] is to greaten and exalt [his king]. --Ken.