Opinion dream meaning is explained below using 2 different sources. Each interpretation is shown with its source.

Interpretation 1 — Joan Seaman - Tom Philbin

One’s position is easy to listen to because it’s not presented as fact, but as opinion.
Source: New American Dream Dictionary Author: Joan Seaman - Tom Philbin

Interpretation 2 — Margaret Hamilton

More trustworthy when given in a dream than when awake
Source: Dream Dictionary Unlimited Author: Margaret Hamilton