1. to commit oneself to and begin an investigation, inquiry, or effort to find something or someone
The police decided to undertake search for the missing child immediately.
A polícia decidiu empreender uma busca pela criança desaparecida imediatamente.
2. to assume the responsibility of conducting a systematic search or examination
The research team will undertake search of historical records.
A equipe de pesquisa empreenderá uma busca de registros históricos.