The crossword solution for the term 'YOU'RE ON ONE NOW!' is SPHERE, a six-letter word. A SPHERE is a three-dimensional geometrical shape that is round and symmetrical, like a ball. It is the only solid shape in which all points on the surface are equidistant from the center. Spheres are found in nature, such as in the form of planets, and they are also used in many man-made objects, such as globes and marbles.