Coincident

It is neceſſary therefore that this nevv created or replaced thing do not onely fill ſome part of the Space [i.e. “imaginary space”] above-mentioned, or be coincident and coextended vvith it, but alſo, that it have no dependance upon our thought.

Source: wiktionary

[T]he ſides of the angles A and D are coincident; vvherefore thoſe angles are equall. VVhich vvas to be Dem[onstrated].

Source: wiktionary

[A]ll the Colours of the ſame Ring muſt be coincident, and by their mixture exhibit a vvhite Ring.

Source: wiktionary

Hitherto, the Universe of stars has always been considered as coincident with the Universe proper, as I have defined it in the commencement of this Discourse. It has always been either directly or indirectly assumed—at least since the dawn of intelligible Astronomy—that, were it possible for us to attain any given point in space, we should still find, on all sides of us, an interminable succession of stars.

Source: wiktionary