Definitions: (1) composed, dignified, and self-assured; (2) being in balance or equilibrium
Quote: It is to the mind of perfect poise, housed in a body of clean habits, stabilized neural energies, and balanced chemical function – when the physical, mental, and spiritual powers are in triune harmony of development – that a maximum of light and truth can be imparted with a minimum of temporal danger or risk to the real welfare of such a being. By such a balanced growth does man ascend… — The Urantia Book (110:6.4)