A consolation; something relieving suffering or worry.
A cause of relief or satisfaction.
Something that offers comfort.
Contentment, ease.
To relieve the distress or suffering of; to provide comfort to.
To make comfortable.
Agitation; the state of being perturbed
Variation in an orbit due to the influence of external bodies
A small change in a physical system, or more broadly any definable system (such as a biological or economic system)