Related Clues:

• Neither nuts nor crackers
• With it, mentally
• Not mad
• Lucid, mentally
• Untouched?
• Court-appointed psychiatrist's ruling
• Undisturbed?
• Well-thought-out
• Not missing any marbles
• Safe's partner
• Mentally well
• Cogent
• Having a full deck?
• Well-considered
• Right in the head