Here is a list of Mäori words that you are likely to come across and their meanings:

Aotearoa Land of the long white cloud (the Mäori name for New Zealand)
Haere mai Welcome
Haere rä Goodbye
Hangi Traditional way of cooking food, where the food is cooked in the ground
Hapü Subtribe
Hongi To press noses, a formal greeting
Hui Meeting to discuss a special topic
Iwi Tribal people
Kai Food
Kaiako  Teacher
Ka pai Good
Kawa Customs
Kia ora Mäori greeting, also used as an expression of gratitude and agreement
Köhanga Learning nest
Kura School, college
Mana Prestige, authority, status
Marae A Mäori communal facility (generally consisting of a meeting house, dining hall, kitchen, and ablution area)
Me And
Mihimihi Greeting
Pakeha The Mäori word for non-Mäori people
Rangatira High-ranking person
Reo Language
Tamariki Children
Tängata whenua (local) people of the land
Tangi Funeral
Taonga Values (spiritual, personal) and physical treasures
Tapu Sacred
Tënä koe How do you do?
Te reo The language (Mäori)
Tiriti Treaty
Waka Canoe, vessel
Wänanga University
Whänau Family
Whare House, meeting house on a marae
Whenua Land