Loosening
Part of speech: verb
Definition: To make loose.
Relaxation
Part of speech: noun
Definition: The act of relaxing or the state of being relaxed; the opposite of stress or tension; the aim of recreation and leisure activities.A diminution of tone, tension, or firmness; specifically in pathology: a looseness; a diminution of the natural and healthy tone of parts.Remission or abatement of rigor.Remission of attention or application.Unbending; recreation; a state or occupation intended to give mental or bodily relief after effort.The transition of an atom or molecule from a higher energy level to a lower one.The release following musical tension.
Example sentence: I love boating - not flash, 'noisy go fast' nonsense, but the general relaxation of it. My wife and I love to get in our little Wellcraft and go as far out to sea as we can, hopefully beyond land. That is the best thing you can ever do. It clears your psyche.