Salaam, ndugu zangu.
Boas festas! (seasons greetings) Felicitações! (greetings)
In Russian, you can say "здравствуйте" (Zdravstvuyte) or "привет" (Privet) to greet someone.
Greetings from Germany (English) Grüsse aus Deutschland (German)
In Hindi, "seasons greetings" is said as "ऋतु अभिनंदन".
Saudações
Sawerticka
gbiresih
Australians speak english, unless of corse aboriginal. so you would say seasons greetings.
Jigi
salamu nyingi
வாழ்த்துக்கள் (vaazhthukkaL)