Related Clues:

• Ape
• Reflect
• Medicine chest door, usually
• Mimic
• Imitate
• Wall hanging
• Type of image
• Queen's consultant in "Snow White"
• Driving aid
• Periscope part
• Kaleidoscope part
• Bathroom fixture
• Item literally useful in reading the answers to 20-, 32-, 41- and 52-Across
• It may be one-way
• Fun house fixture