The phrase "unanimous consent" means that everyone in a group or organization agrees or says yes to something without any disagreement or objection. Full definition
The measure is expected to be approved by unanimous consent, according to a source familiar with the plan, which means there will be no debate and no official vote. (nystateofpolitics.com)
The original rules required unanimous consent to stop someone from speaking. (politics.stackexchange.com)
If a member of the national assembly wishes to wear a religious symbol, there must be unanimous consent from the assembly. (slaw.ca)