Related Clues:

• Pats on lightly
• Touches lightly
• Certain sorority chapter
• Frat letter, perhaps
• Tries fingerpainting
• Perfume amounts
• Fraternity character
• Artistic touches
• Hits lightly
• Letter from college?
• Air density symbol
• P, in the Greek alphabet
• Part of the Greek alphabet
• A fraternity chapter
• Pats gently