ἑορτάζειν
From LSJ
Γίνωσκε σαυτὸν νουθετεῖν, ὅπου τρέχεις → Quo curras, animum advertere usque memineris → Mach mit Bedacht dir klar, an welchem Ort du läufst
Greek > English (Woodhouse Verbs Reversed)
(see also ἑορτάζω): hold a celebration, keep festival, keep holiday