secret, as in the arcane rites of a mystery cult; mysterious, obscure Religious verses from Celtic mythology are _______ and difficult to decipher.

the faculty or phenomenon of finding valuable or agreeable things not sought for While trying to develop a new gas for refrigeration, Plunkett discovered Teflon by _______.

a privilege or gain incidental to regular salary or wages; especially, usually shortened to "perk." Joe accepted the job since access to the executive dining room was a _______ with the position.

of keen and farsighted judgment : discerning. Shrewd, insightful, asstute. Solomon was a _______ ruler.