Reason (n.) is the certainty of consciousness that it is all reality.
Reason (n.) was Hegel's way out of the Romantic choice between free creation in a godless world and union with God at the price of autonomy.
Reason (n.) can be found for anything in ordinary life, Hegel says, where good grounds can be given for and against anything depending on how you describe it.
Reason (n.) in its higher stages cannot be understood from its lower ones: the growth has to have taken place before we can understand it.
Reason (n.) in history was for Hegel both a presupposition proved in the Logic and a result known only to one who already knows the whole.
Reason (n.) shrank in the seventeenth century to mere reckoning: calculating how to reach ends that reason itself may not judge.
Reason (n.) in Hegel's sense is the mode of mind that sees through division to a larger rational plan; understanding is the mode that sees only division.