Tranquillity, peace, rest; joy, delight.

The quality or state of being void of care, or of taking no care; freedom from trouble or anxiety (obsolete); heedlessness, inattention…

Freedom from trouble, distress, molestation, aggression, etc.; a state of peace, security, or tranquillity. Cf. ro and rest at ro, n. 1.

Freedom from quarrels or dissension between individuals (or, esp. in early use, between an individual and God); a state of friendliness; amity…

Absence of pain or discomfort; freedom from annoyance.

Confidence, assurance, feeling of security; hence, comfort. Often in alliterative connection with bliss. Obsolete.

Freedom from mental or emotional agitation; inner tranquillity; peace of mind. Now rare.

Chiefly in form heart's ease. Peace of mind; freedom from care or worry; contentment. Also: something that brings peace of mind or contentment.

Freedom from fear or anxiety; a feeling of safety or security. Obsolete.

Freedom from care, anxiety or apprehension; absence of worry or anxiety; confidence in one's safety or well-being.

The state, condition, or feeling of being secure; security.

Cheerful tranquillity (of mind, temper, countenance, etc.).

Assurance.

Cheerfulness, tranquillity.

The quality of being serene; serenity.

As a moral or mental quality, in various senses. Lightness (of spirit), freedom from care. Obsolete.

Peace of mind. Obsolete.

Serenity.

Serenity, tranquillity (of mind, conditions, etc.).

The action or means of securing, acquiring, or protecting; assurance, security.