Synonyms for Nonetheless:

adv

however (adverb)
be that as it may, nevertheless, withal.

adv.

despite the contrary (adverb)
however, even so, still, nevertheless.
however (adverb)
however.
nevertheless (adverb)
anyway, although, in spite of that, but.

conj.

however (conjunction)
still.

n.

at least, anyhow, in spite of something, for all, all/just the same, despite. be that as it may, affirm, still and all. nevertheless (noun)
anyway, although, in spite of that, but.
nonetheless (noun)
yet, all the same, still, even so, notwithstanding, nevertheless, withal, however.

Other synonyms:

despite, still and all. anyway. in any event
anyhow.
nevertheless
nevertheless.
Other relevant words:
anyhow, but, although, in spite of that, still and all, at least, however, be that as it may, despite, anyway.

Usage examples for nonetheless

  1. Either too old or too young, they were nonetheless potential claimants or heirs to the Deed of the House of Rababull, and systematically eliminated. – Si'Wren of the Patriarchs by Roland Cheney
  2. If this debt is held by the commission house in the shape of a majority of the shares, they must be bought at an exorbitant figure, but nonetheless bought. – The Rise of Cotton Mills in the South by Broadus Mitchell