noun, noun or participle which takes 'suru', intransitive verb
following blindly; going along with others without thought
Often used in the set phrase 付和雷同 (ふわらいどう) meaning 'following others blindly'. As a standalone noun or する-verb, it describes uncritically adopting the opinions or actions of others.
彼はいつも付和雷同で、自分の意見を言わない。
He always follows others blindly and never states his own opinion.
In meetings, you should not just go along with others; you should clearly state your own thoughts.