tonic
n. C / Un. something that makes you feel stronger, happier, or more energetic. It can be a drink or just a positive experience that helps you feel better.
n. a medicinal or restorative substance intended to invigorate or strengthen the system. In a figurative sense, refers to any influence that restores mental or physical well-being.
A long walk in the fresh air was the perfect tonic.
After a stressful week at the office, a weekend trip to the coast proved to be a much-needed tonic for the whole family.
While the patient initially requested a physical tonic to combat his fatigue, the doctor suggested that a change in environment might provide a more lasting psychological benefit.
From Ancient Greek τονικός (tonikós), from τόνος (tónos). 17th century writers believed health to be derived from firmly stretched muscles, thus tonic; the extension of tonic medicine appeared in the late 18th century. By surface analysis, ton(e) + -ic.
From tone + -ic.
Often used with the preposition 'for' ('a tonic for the soul') or 'to' ('a tonic to the system').