Sound practical judgment; SYN. good sense, gumption, horse sense, sense, mother wit.
In philosophy, the doctrine that we perceive the external world directly, that what we perceive is what there is and how things are. Common-sense realism has been held by Scottish mathematician Thomas Reid and English philosopher G E Moore. Although a useful antidote to complex metaphysical theories, common sense can mislead—for instance, common sense tells us that the world is flat. common-sense