a self-contained component (unit or item) that is used in combination with other components | the capacity for rational thought or inference or discrimination |
computer circuit consisting of an assembly of electronic components (as of computer hardware) | a fact that logically justifies some premise or conclusion |
detachable compartment of a spacecraft | a justification for something existing or happening |
one of the inherent cognitive or perceptual powers of the mind | an explanation of the cause of some phenomenon |
| a rational motive for a belief or action |
| the state of having good sense and sound judgment |