Good humor is a term that describes a pleasant and lighthearted attitude. It is often associated with GAIETY, GENIALITY, and CHEER. GAIETY is a state of joy and merriment, often expressed through laughter and playfulness. GENIALITY is a friendly and kind disposition, often expressed through warmth and hospitality. CHEER is an emotion of joy and optimism, often expressed through enthusiasm and encouragement. All three of these qualities are essential components of good humor.