On-line Te Reo Māori Dictionary

matomato, a. 1. Deep. He wahi matomato tera, he hohonu.

2. Green, growing vigorously. Ka rau matomato koe i to mauri (M. 379).

3. Of pleasing appearance. Titiro rawa atu ki te tangata i mirimiria ra ki te horu, ka pai, ka matomato te kanohi o te tangata, ka purotu te kiri o te tangata.

Williams Dictionary