[ju.bi.late] vi -lat.ed ; -lat.ing [L jubilatus, pp. of jubilare; akin to MHG ju (exclamation of joy), Gk iyge shout] (ca. 1641): rejoice Ju.bi.la.te n [L, 2d pers. pl. imper. of jubilare] (1549) 1 a: the 100th Psalm in the Authorized Version b not cap: a joyous song or outburst
2: the third Sunday after Easter