Related Clues:

• PRISM, for example, is old scheme
• Firm exchanged contracts over island
• Sturdily constructed
• 'Do me a ___'
• "Do me a ___"
• Not iffy
• Based on good judgment
• Substantial, firm
• I disposed of outstanding firm
• Firm right to contribute to investigation
• Likewise, hat is cone-shaped, say
• Solid research about king
• Strongly-built person taking clique to the spa
• Hard in defence, perhaps
• This way cover is continuous