Synonyms for Even so:

adv.

nevertheless (adverb)
notwithstanding, withal, still, yet, nonetheless.
nonetheless (adverb)
however, nevertheless.

adv

however (adverb)
nevertheless.

n.

even so (noun)
nevertheless, nonetheless, notwithstanding, yet, still, withal, all the same, however.

Other synonyms:

adv
nonetheless, withal.