cotton on(v = verb.cognition) catch on, get it, get onto, get wise, latch on, tumble, twig - understand, usually after some initial difficulty; "She didn't know what her classmates were plotting but finally caught on"
is one way to apprehend, compass, comprehend, dig, get the picture, grasp, grok, savvy
Sample sentences: Somebody ----s; Somebody ----s PP

absorbent cotton, arizona wild cotton, common cotton grass, cotton, cotton ball, cotton batting, cotton belt, cotton bollworm, cotton cake, cotton candy, cotton cloth, cotton fiber, cotton flannel, cotton gin, cotton grass, cotton mill, cotton mouse, cotton plant, cotton rat, cotton rose, cotton rush, cotton seed, cotton stainer, cotton state, cotton strain, cotton thistle, cotton to, cotton up, cotton wool, egyptian cotton, lavender cotton, levant cotton, long-staple cotton, new zealand cotton, peruvian cotton, red silk cotton, sea island cotton, short-staple cotton, silk cotton, tree cotton, upland cotton, wild cotton