1. to keep or preserve something in good condition or proper working order with careful attention to detail and moral responsibility
She conscientiously maintains her garden throughout the year.
Ela mantém seu jardim conscienciosamente durante todo o ano.
2. to uphold or continue a practice, standard, or relationship with diligent care and integrity
The company conscientiously maintains its commitment to environmental standards.
A empresa mantém conscienciosamente seu compromisso com os padrões ambientais.