Intro: Whats an opinion?

Soon - coming soon- are my commentaries on whatever crosses my mind that I wish to put to writing..could be mundane, could be interesting, could be explosive, or could be controversial.  Whatever...it is, I hope you come back.  Hopefully no one will get too mad at me, but heyyy...it is only an opinion, people !!
Oh, while we are on that note - what is an opinion? 

According to Wiki:
In general, an opinion is a belief about matters commonly considered to be subjective, i.e., it is based on that which is less than absolutely certain, and is the result of emotion or interpretation of facts. An opinion may be supported by an argument, although people may draw opposing opinions from the same set of facts. Opinions rarely change without new arguments being presented. It can be reasoned that one opinion is better supported by the facts than another by analysing the supporting arguments.^[1] In casual use, the term opinion may be the result of a person's perspective, understanding, particular feelings, beliefs, and desires. It may refer to unsubstantiated information, in contrast to knowledge and fact-based beliefs.
Collective or professional opinions are defined as meeting a higher standard to substantiate the opinion.

According to the Merriam Webster dictionary:

Definition of OPINION

1

a : a view, judgment, or appraisal formed in the mind about a particular matter

b : approval, esteem

2

a : belief stronger than impression and less strong than positive knowledge

b : a generally held view

3

a : a formal expression of judgment or advice by an expert

b : the formal expression (as by a judge, court, or referee) of the legal reasons and principles upon which a legal decision is based

— opin·ioned adjective

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Examples of OPINION

1. We asked for their opinions about the new stadium.
2. In my opinion, it's the best car on the market.
3. The article discusses two recent Supreme Court opinions.

Origin of OPINION

Middle English, from Anglo-French, from Latin opinion-, opinio, from opinari

First Known Use: 14th century