Webster's Revised Unabridged Dictionary · 1913

Gladden

Gladden , transitive verb

[See Glad, transitive verb]

To make glad; to cheer; to please; to gratify; to rejoice; to exhilarate.
A secret pleasure gladdened all that saw him. — Addison

Gladden , intransitive verb

To be or become glad; to rejoice.
The vast Pacific gladdens with the freight. — Wordsworth