a clever, witty or wise speech.

conscience which governs the mind; a moral sense.

to impress or establish firmly, esp. on the mind; to imprint.

an impression established on the mind; an imprint.

the interior of a country or region; inland areas; inland.

the inner side of a fort, barrier etc.

insight - a) the ability to see and understand clearly the inner nature of things, esp. by intuition; b) a clear understanding of the inner nature of some specific thing.

a clever, witty or wise speech.

a pleasing look.

a passing from one condition, form, stage, activity, etc. which is happening without being noticed in a short duration.