Longman Dictionary of Contemporary English
The Collaborative International Dictionary
balanced \bal"anced\ adj. being in a state of proper balance or equilibrium; -- opposite of unbalanced. the carefully balanced seesaw a properly balanced symphony orchestra a balanced assessment of intellectual and cultural history a balanced blend of whiskeys the educated man shows a balanced development of all his powers [Narrower terms: counterbalanced, counter-balanced, counterpoised; well-balanced; poised]
Douglas Harper's Etymology Dictionary
Wiktionary
a. 1 properly balanced; in equilibrium 2 mentally stable and free from psychological disorder
WordNet
adj. in an optimal state of balance or equilibrium; "a well-balanced wheel"
free from psychological disorder; "a well-adjusted personality" [syn: well-adjusted]
Usage examples of "well-balanced".
That behaviour, which is usually the result of a good education and a long experience of society, was in the lovely peasant-girl due only to a candid and well-balanced mind which shone all the more because it was all nature and not art.
While cautioning herself not to become smug, Celia reflected with relief that it was possible to be a working mother and still have successful, well-balanced children.
She ate a healthy, well-balanced diet, and didn't think about food all that much.