Obs. rare–1. [ad. L. ex(s)tantia, n. of state f. ex(s)tant-em, pr. pple. of ex(s)tāre: see EXTANT.] Emergence.
1682. Sir T. Browne, Chr. Mor. (1716), 118–9. He … who hath in his Intellect the Ideal Existences of things, and Entities before their Extances.
