Here's a simple, short Hawaiian Word of the Day for you, it is ʻae. It means “yes, to say yes, consent, to confirm, grant, agree, approve, permit.” It is the word you so often want to hear in answer to your questions.
We used to see so many signs that read “kapu” that people joked about Kapu being a Hawaiian who owned all that land. Actually, kapu, means taboo, prohibition, or even sacredness, or forbidden. And yes, on those signs it has come to mean “keep out.”