nonsensible — having, using, or showing good sense or sound judgment: a sensible young woman.
brains — an animal's brain, cooked and eaten as food
intelligence — capacity for learning, reasoning, understanding, and similar forms of mental activity; aptitude in grasping truths, relationships, facts, meanings, etc.
sense — any of the faculties, as sight, hearing, smell, taste, or touch, by which humans and animals perceive stimuli originating from outside or inside the body: My sense of smell tells me that dinner is ready.
acumen — keenness and quickness in understanding and dealing with a situation; shrewdness
shrewdness — astute or sharp in practical matters: a shrewd politician.
wisdom — the quality or state of being wise; knowledge of what is true or right coupled with just judgment as to action; sagacity, discernment, or insight.