Glimpse Inside A Writer's Brain

I need a word.

Okay.

It means something is coming.

Hmm, arbor?

Isn't that related to plants?

No, it's like "And she knew it arbored great things."

Are you sure?

No, I know it's wrong. I just can't figure out the right word so I think you should put arbor in until we figure it out because it's making me CRAZY.

How about the thesaurus?

Good idea, but we need a synonym to look up first and I got nothing.

Huh. [Arbor:] it is.

Some time later...

Augur! The word is augur! *Dance of joy ensues*

You know, all of a s