clear-thinking
Adjective
Meaning
not mentally confused; able to think clearly and act intelligently
Source: WordNetSynonyms
Antonyms
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Call me an optimist, but some loving, good, clear-thinking people can be found everywhere.
You feel more satiated and more clear-thinking as you eat, able to automatically make better food choices along the way because your eating is no longer propelled by an uncontrollable appetite or cravings.
Once you truly accept that the two of you are no longer together, you can move on in a calm, clear-thinking way.