contentment

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The state of being contented; satisfaction.
• noun A source of satisfaction.

from The Century Dictionary.

• noun That degree of happiness which consists in being satisfied with present conditions; a quiet, uncomplaining, satisfied mind; content.
• noun Gratification, or means of gratification; satisfaction.
• noun Synonyms Contentment, Satisfaction. Contentment is passive; satisfaction is active. The former is the feeling of one who does not needlessly pine after what is beyond his reach, nor fret at the hardship of his condition; the latter describes the mental condition of one who has all he desires, and feels pleasure in the contemplation of his situation. A needy man may be contented, but can hardly be satisfied. See satisfy, happiness.

from the GNU version of the Collaborative International Dictionary of English.

• noun The state of being contented or satisfied; content.
• noun The act or process of contenting or satisfying.
• noun obsolete Gratification; pleasure; satisfaction.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun the state or degree of being contented
• noun happiness in one's situation; satisfaction
• noun the neurophysiological experience of satisfaction and being at ease in one's situation, body, and/or mind.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun happiness with one's situation in life