Adjective

(en adjective)

friendly and cheerful

(especially of weather) pleasantly mild and warm

{{quote-Fanny Hill, part=3 , The well breath'd youth, hot-mettled, and flush with genial juices, was now fairly in for making me know my driver. }}

marked by genius

* 2003 , Laura Fermi, Gilberto Bernardini, Galileo and the Scientific Revolution , Courier Dover Publications, page 111 [http://books.google.com/books?id=qGsZ4YmjhFwC&pg=PA111&dq=genial+idea+date:1940-2009&lr=lang_en&as_brr=3&as_pt=ALLTYPES]:

About fifty years later, in 1675, the Danish astronomer Ole Roemer (1644-1710) had the genial idea of using astronomical rather than terrestrial distances.

(anatomy) genian; relating to the chin

Adjective

(en-adj)

Without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

It was a surprise to see the captain, who had always seemed so serious , laugh so heartily.

Important; weighty; not trifling; leaving no room for play; needing great attention; critical.

This is a serious problem. We'll need our best experts.

Really intending what is said; being in earnest; not jesting or deceiving; meaningful.

After all these years, we're finally getting serious attention.