GENIAL Meaning of GENIAL in English adj. 1 jovial, sociable, kindly, cheerful. 2 (of the climate) mild and warm; conducive to growth. 3 cheering, enlivening. geniality n. genially adv.[ L genialis (as GENIUS) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012