balanced

properly, well

She exercised regularly and ate a properly balanced diet to stay healthy.

completely, perfectly

The athlete's diet was completely balanced, including proteins, vegetables, and whole grains.

carefully, closely, delicately, finely, nicely

The argument between the two sides was carefully balanced, so neither group felt completely satisfied.

beautifully

The chef's new menu was beautifully balanced between meat and vegetable dishes.

between

She carefully balanced the heavy books between her two hands as she climbed the stairs.