"full of natural, simple charm," 1831, literally "suitable for an idyll" from French idyllique or else from idyll + -ic. In late 18c. it meant "pertaining to an idyll."
an idyllic spot for a picnic
his idyllic life in Tahiti
idolatry
idolization
idolize
Idumaean
idyll
idyllic
-ie
-ier
if
iffy
-ify