Formal:
* சந்தித்ததில் மகிழ்ச்சி (Santhiththathil Magizhchi): This is the most common and polite way to say "Nice to meet you."
* நீங்களைப் பார்த்து மகிழ்ச்சி (Neenggalai Paarthu Magizhchi): This literally translates to "Happy to see you," and is also a polite and formal greeting.
Informal:
* சந்திச்சதுக்கு சந்தோஷம் (Santhichathukku Santhosham): This is a more casual way to say "Nice to meet you," and is suitable for friends and family.
* உங்களைப் பார்த்து ரொம்ப சந்தோஷம் (Unggalai Paarthu Romba Santhosham): This translates to "Very happy to see you," and is a slightly more enthusiastic way to say "Nice to meet you."
You can also say:
* உங்களைப் பத்தி கேள்விப்பட்டிருந்தேன், சந்திக்கவே ஆசையா இருந்தது (Unggalai Pathi Keள்vippaṭṭirunthēn, Santhikkave Āsayā Irunthathu): This translates to "I had heard about you, and was eager to meet you."
The best way to choose the right phrase depends on the situation and your relationship with the person you are meeting.