Answer:

eterne

AnswerCrossword Clue
ETERNEEverlasting of old
ETERNEForever, to a poet
ETERNEEverlasting, in old poetry (and the name of a Lotus concept car that, sadly for crossword constructors, will probably never exist)
ETERNEPerpetual, old-style
ETERNENe'er-ending
ETERNEAgeless, to a poet
ETERNEPerpetual, in poetry
ETERNEForever, in poems
ETERNELasting forever, poetically
ETERNEEndless, in verse
ETERNEEndless, in poems
ETERNEPerpetual, in poems
ETERNE"But in them Nature's copy's not ..": "Macbeth"
ETERNEWithout end, in poetry
ETERNEEverlasting, to the bard
ETERNEPerpetual, to Keats
ETERNEUnending, in poetry
ETERNEUnlimited, in verse
ETERNEForever, to Shelley
ETERNEEverlasting, once upon a time
ETERNEIt's never-ending, in poetry
ETERNEPerpetual, in poesy
ETERNEUnending, in verse
ETERNEAlways, in old poetry
ETERNEEverlasting, poetically
ETERNEForever, formerly
ETERNEForever, to Frost
ETERNEEndless, poetically
ETERNE"And wilt thou pledge me this for time ..?": Aeschylus
ETERNEEverlasting, to a poet
ETERNETimeless, in verse
ETERNEEverlasting, old style
ETERNEAgeless, to poets
ETERNEEverlasting, old-style
ETERNEForever, old-style
ETERNEEverlasting, once
ETERNEE'erlasting
ETERNEForever, in verse
ETERNEEverlasting, in poetry
ETERNEAgeless, poetically