四無礙之一。大乘義章十一曰：「語稱物情，名為樂說。」是就聞者之情解樂字。聞者樂聽其說也。法華嘉祥疏二曰：「言樂說者，凡有二義：一者菩薩自得勝法，樂為物說，如父母得於勝事，樂欲與子。二者知眾生欲樂而為說法。」是第一義就說者適悅之情解樂字。第二義就聞者之意樂解之。
Joy in preaching, or telling the way of salvation; joy in that which is preached. It is also called pratibhāna, bold and illuminating discourse, or freedom in expounding the truth with correct meaning and appropriate words, one of the 無礙智 fourpratisaṃvids.
四無礙之一。
上五孝反愛好欲慕戀五訓又五角反樂也所以恱樂於人也詳文勢呼之