1. To speed up or advance the timing of a payment, making it due sooner than originally scheduled
The company decided to accelerate payment to suppliers to improve business relationships.
A empresa decidiu acelerar o pagamento aos fornecedores para melhorar as relações comerciais.
2. To increase the rate at which payments are made
They accelerated payment of their mortgage to reduce interest costs.
Eles aceleraram o pagamento da hipoteca para reduzir os custos de juros.