Related Clues:

• House party, briefly
• JFK, LBJ, etc.
• Approves, in a way
• The 'J's in J. J. Abrams, e.g.
• Monogram (abbr.)
• Boss's okays, often
• The J. and K. in J. K. Rowling: Abbr.
• "I" and "M" in I.M. Pei (Abbr.)
• Certain party, in headlines
• FDR, HST, etc.
• Monogram: abbr.
• Some senators: Abbr.
• U.S.A. or U.K.
• First letters as of names
• First letters of names