invigorate (part of speech: verb)
- Heathcroft did not enthuse. - "Kent Knowles: Quahaug", Joseph C. Lincoln.
- He doesn't care a rap for poetry, and he laughs when I enthuse. - "Lucy Maud Montgomery Short Stories, 1907 to 1908", Lucy Maud Montgomery.
- Of course, you know that Bridget is rather given to enthuse. - "The Man Who Rose Again", Joseph Hocking.