AEONIAN
ageless, aeonian, eonian, eternal, everlasting, perpetual, unending, unceasing
(adjective) continuing forever or indefinitely; “the ageless themes of love and revenge”; “eternal truths”; “life everlasting”; “hell’s perpetual fires”; “the unending bliss of heaven”
eonian, aeonian
(adjective) of or relating to a geological eon (longer than an era)
Source: WordNet® 3.1
Adjective
aeonian (comparative more aeonian, superlative most aeonian)
Alternative spelling of eonian
Source: Wiktionary
Æ*o"ni*an, a. Etym: [Gr.
Definition: Eternal; everlasting. "Æonian hills." Tennyson.
Source: Webster’s Unabridged Dictionary 1913 Edition