We do this sort of thing most weekends anyway, said a lean rebel with gunpowder smudges on his face and the felicitous name of Troy Cool.
-- Tony Horwitz, Confederates in the Attic
I always have a pad of paper and a pencil within reach, to catch on the wing this turn of phrase which strikes me as felicitous, that idea which I hope to be able to examine more closely in the light of day.
-- Roger Martin du Gard, Lieutenant-Colonel de Maumort (translated by Timothy Crouse)
"Hardy, my boy! What a felictious surprise! Come in and join us in a cold chicken sandwich!"
-- Steven Pressfield, The Legend of Bagger Vance: A Novel of Golf and the Game of Life
Felicitous is derived from Latin felicitas, "fertility, hence success, happiness," from felix, "fertile, successful, happy."