Definitions: (1) adjusting readily to <new> circumstances; flexible; (2) recovering quickly from emotional or physical distress; resilient; (3) receptive to new ideas; adaptable; elastic-minded

The thing is that as you grow through life, the pursuit of art and the pursuit of new ideas, all these things keeps your mind elastic. — Patricia “Patti” Lee Smith (1946-) American songwriter
• There is a certain even-handed justice in Time; and for what he takes away he gives us something in return. He robs us of elasticity of limb and spirit, and in its place, he brings tranquility and repose—the mild autumnal weather of the soul. — Alexander Smith (1830-1867) Scottish poet