Spaciosity

Hold Lady the hand, or as I may better ſay, the executioner of earthly miſcreants: hold I ſay that hand, which no other woman euer touched before, not euen ſhee her ſelfe that hath intyre poſſeſſion of my whole body, nor doe I giue it to you, to the end you ſhould kiſſe it; but that you may behold the contexture of the ſinnewes, the knitting of the muſcles, and the ſpacioſity and breadth of the veines, whereby you may collect how great ought the force of that arme to be whereunto ſuch a hand is knit.

Source: wiktionary

They know no more what that is in it ſelf, that is extended, than what that is, that is Cogitative; and may be as ſure, that they do think, as they are, that they are ſpacious, ay, they cannot know that they are ſpacious, but by thinking. But of ſpatioſity or extenſion, (the Accident that conſtitutes matter,) I ſhall have occaſion to diſcourſe hereafter, when I come to ſpeak of quantity, I proceed now to diſcourſe of Mind.

Source: wiktionary

The soul does not feel cramped in view of this picture [Crossing the Brook]. Its spatiosity exhilarates the spectator.

Source: wiktionary