Related Clues:

• Change gradually
• ''U'' follower
• Get off the couch
• Make a right, say
• Increase in complexity, perhaps
• Develop by gradual changes
• Become sour
• ___ upon (find by accident)
• Scissors feature
• Stop kneeling
• Go time in a game
• Do an about-face
• Hang a right
• Change color, as leaves
• Change color, like leaves