Oceanian
Concise Oxford English Dictionary © 2008 Oxford University Press:
Oceanian /ˌəʊsɪˈɑːnɪən, -ʃɪ-/
▶adjective relating to Oceania, the islands of the Pacific Ocean and adjacent seas. ▶noun a native or inhabitant of Oceania; a Polynesian.
'Oceanian' also found in these Oxford entries:

