Related Clues:

• What an ad man might do
• Conceive mentally
• Use one's noggin
• Conceive of
• Form a concept
• Hatch, as a scheme
• Form in the imagination
• Form a conception
• Come up with a concept
• Form concepts
• Imagine being fed to the fish!
• Imagine a fish about to swallow
• Imagine Tramp would consume tablet
• Picture in one's mind
• Use your noggin