樂説辯力(lè shuō biàn lì) “the power of preaching with joy and eloquence”
Cf. 辯才(biàn cái), 樂説辯才(lè shuō biàn cái); not found at HD. 4.1295.; not found at DK. 6.517.;
51a10.於時,增上慢四衆………見其得大神通力、樂説辯力、大善寂力,聞其所説,皆信伏隨從(p)
K. 380.2.pratijñā-pratibhāna-bala-sthāma~; O. .pratibhāna-bala-sthāma~; Z. 123a20.辯才慧力;