Entry record from de Josselin de Jong (1937): Woirata
Page number: 237
ilas(a)
• understanding, prudence, discretion, modesty, good breeding, manners, custom, usage(eng).
ilasi
• (with possessive suffix); accustomed to; usage; usual(eng).
ilas jāni
• understanding; modesty etc.; good manners(eng).
ilas mahunana liare selre
• repent; mend one's ways(eng).
Literally: change bad ways