Spiritual, moral, or mental soundness or well-being; salvation. archaic.

The understanding or mental faculties in respect of their condition; chiefly = ‘right mind’, ‘reason’… singular: esp. in phrases in (one's right) wit…

= mind, n.1 20a. Also in plural.

The healthy or normal condition of the mental faculties; mental balance; sanity. Now chiefly in phrases indicating (in negative contexts) the…

The thinking faculty of the human mind unaffected by mental disturbance or illness; sanity. Frequently with possessive adjective. Now somewhat archaic…

state of being in one's wits, condition of sanity.

Natural intelligence possessed by a typical person; innate understanding; simple wisdom. Obsolete.

The thinking or reasoning faculty of the human mind in a normal or undisturbed state; reason, sanity, wits. In later use only in to be in one's right…

In plural. The thinking or reasoning faculties of the human mind in a normal or undisturbed state; reason; sanity; wits. Also in various…

Of the mind, etc.: (see sound, adj. 2b).

The condition of being sane; soundness of mind; mental health.

Sanity, ‘reason’. (Cf. wise, adj. 4) Obsolete. rare.

health of the mind as distinct from physical health; the condition of a person or group in respect of the functioning of the mind; the branch of…

The condition of being sane, sanity.

Simply: a healthy mind. Usually allusively (see sense 1). Frequently attributive.

Stability or steadiness due to the equilibrium prevailing between all the forces of any system. Equipoise of mind, character, or feelings…

The quality or condition of being lucid; brightness, luminosity; now chiefly figurative intellectual clearness; transparency of thought or expression.