Synonyms for Hence:

adv.

all (adverb)
thence, thus, therefore, so.
for that reason; therefore (adverb)
onward, so, wherefore, ergo, out, henceforth, thence, thus, away, forward.
therefore (adverb)
ergo, wherefore, therefore, due to, so, thence, Since, thanks to, owing to, Because, thus, on account of.

adv

accordingly (adverb)
so.
then (adverb)
thence.
therefore (adverb)
ergo, wherefore, therefore, due to, so, thence, Since, thanks to, owing to, Because, thus, on account of.

n.

knock on, by virtue of something, as a consequence/in consequence, ensuing. later, when the time comes, sooner or later, henceforth, someday, far-off, to come, one day, in the long run/term, hereafter, tomorrow. away (noun)
away, onward, From, forward, out.

Other synonyms:

henceforth, ensuing, knock on. From. Other relevant words:
henceforth, onward, away, hereafter, forward, From, out.

Usage examples for hence

  1. I shall condemn myself a little while hence if I do. – Early Letters of George Wm. Curtis by G. W. Curtis, ed. George Willis Cooke
  2. Will you arrange to start West with me a fortnight hence – A Mysterious Disappearance by Gordon Holmes
  3. Hence our mail should continue to come here; but not hers. – The Works of Robert Louis Stevenson - Swanston Edition Vol. 24 (of 25) by Robert Louis Stevenson Other: Andrew Lang