Ex‐pan″sive (ĕks‐păn″sĭv), a. [Cf. F. expansif.] Having a capacity or tendency to expand or dilate; diffusive; of much expanse; wide-extending; as, the expansive force of heat; the expansive quality of air.
A more expansive and generous compassion. Eustace.
His forehead was broad and expansive. Prescott.
— Ex‐pan″sive‐ly, adv. -Ex‐pan″sive‐ness, n.