1. The act of fully satisfying or completely executing an obligation, requirement, or promise
The contractor ensured the full compliance with all safety regulations.
O contratante garantiu o pleno cumprimento de todos os regulamentos de segurança.
2. Complete and thorough adherence to terms, conditions, or legal requirements
In pleno cumprimento of the contract, all deliverables were completed on time.
Em pleno cumprimento do contrato, todos os produtos foram entregues no prazo.