Related Clues:

• Flavour
• Guru's sine qua non
• Smell, say
• Gut feeling
• Touch, e.g.
• Spy satellite, metaphorically
• Have a hunch about
• It's sometimes winkin' or blinkin,' but doesn't nod
• Vague feeling
• It's held in an orbit
• Feel the presence of
• It may be public or evil
• Sight, for one
• Likes and dislikes
• Thread target