There are multiple definitions - click on the translation that matches your context.

homologação

substantivo

full

ratification

noun

Definitions of ratification

English

the act of making an agreement official, especially of governments or organisations

The government has called for the immediate ratification of an international agreement banning exports of hazardous waste from rich countries to poor.

English

the adoption or approval of an act performed by an agent on behalf of a principal without previous authorisation

Unless there is ratification by the principal, an agent that acts without authority or exceeds its authority is liable for damages.