Evermore

(adv.) During eternity; always; forever; for an indefinite period; at all times; -- often used substantively with for.

Thesaurus Entries

always, aye, eternally, ever, ever and again, ever and anon, for all time, for aye, for good, for keeps, forever, forever and aye, forevermore, in all ages, now and forever, throughout the ages, till doomsday, till time stops