Related Clues:

• Shape of a logistic curve
• Intro to sociology?
• Start to scream or shout?
• Chicane shape, on some racetracks
• What makes it sit?
• Cornering challenge
• Strong start?
• Ending for leopard
• Bendy letter
• It precedes tee
• The last of us?
• Start of spring
• Sibilant letter
• Letter before 54-Down