Collocations for greeting - noun

formal, friendly, polite
traditional
The traditional Muslim greeting is ‘Salaam’.

call, call out, nod, shout, smile, wave
He jumped to his feet and called out a greeting.
They said nothing, but nodded a polite greeting.

exchange
The delegates shook hands and exchanged greetings.

give (sb), offer (sb)
He offered me a warm greeting and invited me in.

acknowledge, respond to, return
I said ‘Good morning!’, but she didn't return the greeting.

ignore

in greeting
He held out his hand in greeting.

personal, warm
birthday, Christmas, festive (esp. BrE), holiday (AmE), New Year, seasonal

bring, extend, send (sb)
He brought Christmas greetings from the whole family.
We extend our greetings to you and thank you for listening to us.

greeting card (AmE), greetings card (BrE)
Millions of greetings/greeting cards are sent at Christmas.