opine
verb (used with or without object)
to hold or express an opinion.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Rubio, appearing on Fox News, said of Paul, “Like many people who have been opining, he has no idea what he’s talking about.”
From The New Yorker ● Dec. 19, 2014