[əˈpɪnjən], (Noun)

Definitions:
- a view or judgement formed about something, not necessarily based on fact or knowledge
(e.g: that, in my opinion, is right)

- a statement of advice by an expert on a professional matter
(e.g: if in doubt, get a second opinion)


Phrases:
- a matter of opinion
- be of the opinion that
- difference of opinion

Origin:
Middle English: via Old French from Latin opinio(n-), from the stem of opinari ‘think, believe’