Longman Dictionary of Contemporary English
The Collaborative International Dictionary
Invigorate \In*vig"or*ate\ ([i^]n*v[i^]g"[~e]r*[=a]t), v. t. [imp. & p. p. Invigorated ([i^]n*v[i^]g"[~e]r*[=a]`t[e^]d); p. pr. & vb. n. Invigorating.] [Pref. in- in + vigor.] To give vigor to; to strengthen; to animate; to give life and energy to.
Christian graces and virtues they can not be, unless
fed, invigorated, and animated by universal charity.
--Atterbury.
Syn: To refresh; animate; exhilarate; stimulate.
Douglas Harper's Etymology Dictionary
1690s, adjective from present participle of invigorate. Related: Invigoratingly.\n
Wiktionary
Giving strength, energy and vitality. v
(present participle of invigorate English)
WordNet
adj. imparting strength and vitality; "the invigorating mountain air" [ant: debilitating]
Usage examples of "invigorating".
A few invigorating hours of compiling evidence against Polyon would calm her and leave her better able to cheer up Fassa.
The silence seems to call for some comment: 'Pretty invigorating out there,' he says to fill it, and looks after a pot of tea.
It couldn't just be the weaker gravity or the invigorating pure air that made her feel so light.
The sun streamed in from the east, and the crisp air was invigorating after the clammy weather that had prevailed.
The whole entity would be an economic heart transplant for Dalston, creating opportunity and invigorating the maze of shabby ancient streets outside with rivers of commerce and new money.
And, using those same rare herbs and spices and extracts, I have compounded a limited supply of that powerful invigorating fluid, to offer to a few of my fellow men the veritable stag and stud virility it can give them.
After the crisply invigorating first weeks of October, it turned so cold that, on the night of the twenty-fourth, the icy blue and green draperies of the aurora borealis undulated eerily in the Paris sky, a sight never seen in the lifetime of the oldest citizens.
It was unlike anything he had ever experienced before, frightening and invigorating at the same time.
The last two weeks had been an ordeal… an invigorating ordeal, he qualified.