Historical clue formulations

• Word that's its own synonym when its first two letters are replaced with "w" — 2017-05-27
• Circumspect — 1999-08-20
• Circumspect — 1998-03-05
• Cautious — 1996-02-21
• Discreetly cautious — 1995-04-02
• Suspicious — 1994-10-03
• Cautious — 1994-01-16