So you had to get the ironic attitude toward the media before you could grasp the satiric manhandling of the politicians.
When you have been down in two or three pits you begin to get some grasp of the processes that are going on underground.
Her grasp on reality, on the other hand, is a different matter.
mid-14c., "to reach for, feel around," possibly a metathesis of grapsen, from Old English *græpsan "to touch, feel," from Proto-Germanic *grap-, *grab- (cf. East Frisian grapsen "to grasp," Middle Dutch grapen "to seize, grasp," Old English grapian "to touch, feel, grope"), from PIE root *ghrebh- (see grab). Sense of "seize" first recorded mid-16c. Figurative use from c.1600; of intellectual matters from 1680s. Related: Grasped; grasping. The noun is from 1560s.