What is the meaning of Riant?

Mirthful, cheerful, smiling, light-hearted.

Of a place, landscape or view: having a pleasant appearance, looking bright or cheerful.

lavish, splendid, spacious, luxurious

decisive, overwhelming, convincing

cheerful, riant

present participle of rire

laughing (in the process of laughing)

present participle of rire

laughing

joyous; happy

soft mutation of rhiant

Source: wiktionary.org