1. to encourage or promote the development or advancement of something to make it better
The company implemented new policies to foster improvement in employee productivity.
A empresa implementou novas políticas para promover melhorias na produtividade dos funcionários.
2. to create conditions that allow something to grow, develop, or get better
Teachers foster improvement in their students through constructive feedback.
Os professores promovem melhorias em seus alunos através de feedback construtivo.