Here is a list of the most used greetings in Romanian.

Greetings in Romanian

= Hey, Hello, Hi
Casual, among friends, used at any time of the day

= Good morning 
Formal or polite, used in the morning

= Good evening
Formal, used in the evening

= Good day, good afternoon
Formal, used after morning until late afternoon

= Good night
Used when saying goodbye at night, especially before sleep

= See you soon
Neutral/friendly, semi-formal

= What are you doing? / How are you?
Informal, used with friends

= How have you been?
Slightly more polite than "Ce faci?"

= How are you? (formal/plural)
Formal version, or when speaking to more than one person

= Nice to meet you
Formal or polite introduction

= Welcome!
Used to greet someone arriving

= Welcome!
(formal/plural)
Formal version, or when speaking to more than one person

= Bless you! (after sneezing) Cheers! (when consuming drinks) / Hello! (informal greeting used by older people)