Most of the time it means "provocar, motivar, incitar, impelir."
Sometimes it might come in these senses, but not precisely with that words.
As in:To help prompt this discussion, review the six areas of self-reliance: employment; education and literacy; home storage;...
Para ajudar a discutir o assunto, examine as seis áreas de auto-suficiência: emprego; educação e alfabetização; armazenamento...
Source: lingueehttp://www.linguee.com.br/ingles-portug ... rompt.html
That is, the above would have the sense of "motivar/impelir" etc.
With English, you have to widen your repertoire, sometimes in unexpected ways. You can´t rely only on rigid structures.
There´s more than one way to skin a cat.