Noah Webster
Circumstantial
CIRCUMSTANTIAL, adjective
1. Attending; relating to; but not essential.
2. Consisting in or pertaining to circumstances, or to particular incidents.
3. Incidental; casual.
4. Abounding with circumstances, or exhibiting all the circumstances; minute; particular; as a circumstantial account or recital.
5. In law, circumstantial evidence is that which is obtained from circumstances, which necessarily or usually attend facts of a particular nature, from which arises presumption.
CIRCUMSTANTIAL, noun Circumstantials, in the plural, are things incident to the main subject, but of less importance; opposed to essentials; as the circumstantials of religion.