"capable of being assumed," 1780 (re-assumable is from 1724), from assume + -able. Related: Assumably; assumability.
assort
assorted
assortment
assuage
assuasive
assumable
assume
assumpsit
assumption
assumptive
assurance
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}