Related Clues:

• Final, perhaps
• Pro or con follower
• It makes the grade
• Flatfish
• Drop of golden sun
• Word with litmus or taste
• Kroc of McDonald's
• Try out
• That's a Kroc!
• Makeup, e.g.
• See 18-Across
• Sound engineer's word
• Battery component
• Marketing ploy
• Sampling