Plato, Laws 815c

ἀναμφισβητήτου διατεμεῖν. τίς οὖν αὕτη, καὶ πῇ δεῖ χωρὶς τέμνειν ἑκατέραν; ὅση μὲν βακχεία τʼ ἐστὶν καὶ τῶν ταύταις ἑπομένων, ἃς Νύμφας τε καὶ Πᾶνας καὶ Σειληνοὺς καὶ Σατύρους ἐπονομάζοντες, ὥς φασιν, μιμοῦνται κατῳνωμένους, περὶ καθαρμούς τε καὶ τελετάς τινας ἀποτελούντων, σύμπαν τοῦτο τῆς ὀρχήσεως τὸ γένος οὔθʼ ὡς εἰρηνικὸν οὔθʼ ὡς πολεμικὸν οὔθʼ ὅτι ποτὲ βούλεται ῥᾴδιον ἀφορίσασθαι· διορίσασθαι μήν μοι ταύτῃ δοκεῖ σχεδὸν ὀρθότατον αὐτὸ εἶναι,

All the dancing that is of a Bacchic kind and cultivated by those who indulge in drunken imitations of Pans, Sileni and Satyrs (as they call them), when performing certain rites of expiation and initiation,—all this class of dancing cannot easily be defined either as pacific or as warlike, or as of any one distinct kind. The most correct way of defining it seems to me to be this—