Related Clues:

• Ex post facto
• '60s NASA rocket
• Like back pay, briefly
• Prefix with active
• From the past
• Out of the past
• Stylish again
• '60s NASA rocket stage
• In again
• Like leg warmers and Nehru jackets
• Nostalgic clothing style
• Like oldies
• Reminiscent of the past
• Like flip hairdos, say
• Old school