From Longman Dictionary of Contemporary Englishform an opinion/impression/ideaform an opinion/impression/ideaMAKEto use available information to develop or reach an opinion or idea She formed the opinion that one of the pupils was bullying the other. → form
Examples from the Corpus
form an opinion/impression/idea• He conceded to Franceschelli that actually being present during the autopsy might have given him better information to form an opinion.• Yet, along with journalists, poets, literary figures, and agitators, they do help form opinions.• So gather information about your child, rather than forming opinions and judgments.• Members of the jury must not have formed opinions from publicity before the trial.• Among those who have formed an opinion, more say public projects should go on the ballot than not.• You should try to form an impression of the person the adjectives describe.• He was in no state to form an idea of what we were talking about.• It is the auditor's responsibility to form an opinion on the truth and fairness of the accounts.• Nor that we should not form opinions or make evaluations. 