From Longman Dictionary of Contemporary Englishwell-balancedˌwell-ˈbalanced adjective 1 DFNa well-balanced meal or diet contains all the different things you need to keep you healthy2 SENSIBLEa well-balanced person is sensible and does not allow strong emotions to control their behaviour
Examples from the Corpus
well-balanced• It is well-balanced and full-nosed yet with a cleanness to tickle the most fastidious palate.• Protect your teeth and gums by eating a well-balanced diet and visiting your dentist regularly.• However, a well-balanced diet is always required.• Then maybe little Aristos could be a well-balanced personality.• Come now Gibson, a little more of your usual well-balanced perspective please!• Hampshire have on paper a well-balanced side; they should be title-chasing.• Sanguine: this type has a well-balanced, strong temperament, and is usually lively. 