form an opinion


Make up one's mind or decide what one thinks about something. For example, I need more facts before I can form an opinion about this issue, or Don't tell me your views; I want to form my own opinion.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.