Here are examples of the word/phrase "invigorating" used in a sentence and paraphrased in a sentence...
He was invigorating his strength and speed by training under gravity that is stronger than Earth's gravity.
He was fortifying his strength and speed by training under gravity that is stronger than Earth's gravity.
His team is invigorating his spirit by cheering him on.
His team is fortifying his spirit by cheering him on.
Fortunately, the energy drinks are invigorating him so that he does not become tired.
Fortunately, the energy drinks are reinforcing him so that he does not become tired.
Other Examples...