Possible Clues:

• Plumage, insulation for birds
• Down here fast changes are required
• Presumably those around Phoenix and Down
• After exploit, the woman's down
• Models of lightness
• Down with the exploit — better half's not mine!
• Plumes of smoke finally welcomed by priests
• 'Hope is the thing with ...' (Emily Dickinson)
• Achievement of female getting down
• The fears unfortunately in Down