opinion

opinion /əˈpɪnjən/ noun
plural opinions
opinion
/əˈpɪnjən/
noun
plural opinions
Britannica Dictionary definition of OPINION
1 
: a belief, judgment, or way of thinking about something : what someone thinks about a particular thing
[count]
[noncount]
2 
[count] : advice from someone with special knowledge : advice from an expert
3 
[count] technical : a formal statement by a judge, court, etc., explaining the reasons a decision was made according to laws or rules

be of the opinion

: to have a specified opinion or belief

the court of public/world opinion

— see 1court