Synonyms for Finally:

adv.

beyond any doubt (adverb)
for good, definitely, in conclusion, permanently, assuredly, completely, certainly, conclusively, lastly, once and for all, decisively.
completely (adverb)
exhaustively, universally, collectively, entirely, comprehensively, completely, integrally, totally, fully, thoroughly.
finally (adverb)
conclusively, decisively.
in the end; after period of time (adverb)
tardily, belatedly, eventually, subsequently, at length, at last, ultimately, at long last.
lastly (adverb)
lastly, terminally.

adv

afterward (adverb)
subsequently.
certainly (adverb)
definitely.
completely (adverb)
exhaustively, universally, collectively, entirely, comprehensively, completely, integrally, totally, fully, thoroughly.
entirely (adverb)
completely.
finally (adverb)
lastly, conclusively, decisively.
in the end (adverb)
lastly.
lastly (adverb)
terminally, completely, lastly.

n.

unvarying, constant, permanently, assuredly, firm, invariable, momentarily, once and for all, whatever happens, certainly, definitely, temporarily, irreversible, unchanging, for good, rigid. Since, tardily, ensuing, after, in time, subsequently, belatedly, succeeding, in the course of time, following, subsequent, beyond. eventual, ultimate, closing, deciding, crowning, concluding, start, time, final, terminal. finally (noun)
lastly, in the end, at long last, at length, eventually, at last, ultimately, in conclusion, last.
in conclusion (noun)
start.

Other synonyms:

once and for all. after
subsequently.
Other relevant words:
ultimate, eventual, succeeding, at long last, unchanging, in the end, constant, final, Since, eventually, temporarily, definitely, ultimately, momentarily, subsequent, deciding, tardily, closing, firm, beyond, at length, start, following, time, at last, for good, after, permanently, subsequently, ensuing, rigid, in conclusion, terminal, unvarying, in time, crowning, last, certainly, concluding, irreversible, belatedly, invariable, assuredly.

Usage examples for finally

  1. " They don't need to follow us in," Rick pointed out finally – The Egyptian Cat Mystery by Harold Leland Goodwin
  2. " No, I sat up," he finally confessed. – The Prairie Mother by Arthur Stringer
  3. She asked me if I had finally decided to- to be your wife, Brandon. – The Hollow of Her Hand by George Barr McCutcheon