Related Clues:

• Readily understood posh Conservative wearing hat
• Clear, easy to understand
• Intellectually bright student at university to join detective squad
• Feeble, half-formed notion, that's clear
• Lips exotic, maybe - not overlarge and well defined
• Policeman, about fifty-one, is blocking the way out, that's plain
• Ten-page cracking extract in full detail
• Able to think clearly
• (Of liquid) clear
• Clear; sane
• Ms Blixen, perhaps, in a protagonist of Tolstoy
• Floppy fish, translucent
• Old bishop opposed to promises of redemption, it's clear
• One getting caught in enterprise with nothing to lose, to be precise
• One politician must be under cover, that's clear