v. [CO- 1.] trans. To assume conjointly or together (with).
1607. Walsall, Life & Death Christ, C 3 b (T.). Was it not enough to assume our nature ; but thou must co-assume the weaknesses of nature ?
1620. Donne, Serm., cxxxv. V. 434. You are already coassumed with Christ Jesus into Glory.
1839. Coleridge, Lit. Rem., IV. 436. The essential properties of a circle are coassumed in the first assumption of a circle.