General celebration:
* கொண்டாடு (kondāṭu) - This is the most common and general way to say "celebrate."
* விழா கொண்டாடு (viḻā kondāṭu) - This means "celebrate a festival" and is used specifically for celebrations of festivals or special events.
Specific types of celebrations:
* பிறந்தநாள் கொண்டாடு (piṟanta nāḻ koṇṭāṭu) - Celebrate a birthday
* திருமணம் கொண்டாடு (tirumaṇam koṇṭāṭu) - Celebrate a wedding
* வெற்றியைக் கொண்டாடு (veṭṟiyai k koṇṭāṭu) - Celebrate a victory
Other related words:
* சந்தோஷப்படு (candaōcappaṭu) - Be happy, rejoice (can be used in the sense of celebrating)
You can choose the best translation depending on the specific context and the type of celebration you are referring to.