The Greek verb chairein means “to rejoice, have grace, be gratified” and is formed from the noun “charis.”   Charis is generally translated as ‘grace” with reference to “beauty” and pleasing things like a sunrise, a poem, a song.  Charis also means favor, boon, gift, benefaction bestowed, charity.  The God Charon is a wisdom teacher and steersman on the River Styx.