of sound mind

[uhv sound mahynd]

idiom

1. capable of rational thought and decision making, unimpaired by mental illness, drugs, dementia, etc.; compos mentis.

Word History and Origins

Origin of of sound mind¹

First recorded in 1605–15

Example Sentences

He is of sound mind, but he might succumb to someone who offers him companionship, and helps him with his physical needs until he passes, possibly in the next few years.

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Your husband would do well to sign a power-of-attorney document while he is of sound mind and has the legal capacity to do so, if he has not done so already.

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When she made her will she also included a document signed by her doctor stating she was of sound mind, etc., and specified that she didn’t want to leave anything to her sons.

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There’s no reason to doubt whether Hackman was of sound mind at that time.

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His family says he was not of sound mind at the time.

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Related Words

• balanced 
• fair-minded 
• healthy 
• intelligent 
• levelheaded 
• logical 
• lucid 
• normal 
• prudent 
• rational 
• sensible 
• sober 
• wise