gladder
/ˈɡleɪdər/Definitions
1. noun
One that gladders; a person or thing that causes or induces a feeling of gladness or cheerfulness.
“The comedian was the gladder of the evening, bringing laughter and joy to the audience.”
2. verb
To make or cause to feel glad or cheerful.
“The news gladded everyone, bringing a sense of hope and optimism to the community.”