To make joyful; gladden; animate with lively and pleasurable sensations; exhilarate.To enjoy; have the fruition of.To feel joy on account of.To experience joy and gladness in a high degree; be exhilarated with lively and pleasurable sensations; be joyful; feel joy; exult: followed by at or in, formerly by of, or by a subordinate clause.n. The act of rejoicing.