Rasarnavasudhakara 1.381

1.381

atha vilāsaḥ-
vṛṣabhasyeva gambhīrā gatir dhīraṃ ca darśanam |
sasmitaṃ ca vaco yatra sa vilāsa itīritaḥ ||

Now, graceful swagger (vilāsa):
A gait dignified like a bull's, a resolute gaze,
and smiling speech—where these occur, that is called graceful swagger.