Related Clues:

• Picks up some grouse's nests on the way back
• Fondles female in front of slippery customers
• Lessens, reducing by a pound -- wrongly, one feels
• Taste and smell
• Hearing, touch etc.
• Quintet important to empiricists
• The sort of internal messages you'd expect from sensory faculties
• Perceptive faculties
• Tests, with "out"
• Some claim to have six of them
• Bad decision makers may have lost theirs
• John Denver "You fill up my ___"
• Tom Petty "You Don't Know How It ___"
• Lexicographers' collection
• Hearing, touch, etc.