Веселить (Imperfective aspect) // Развеселить (Perfective aspect)
to rejoice,
to exhilarate,
to gladden,
to jollify.
Imperfective verbs have Present, Past and Future tenses.
Perfective verbs have Past and Future tenses.
PDF-file with all the forms in the sentences is available here - https://boosty.to/rulangclub.