As a Noun:
1. Discussions that take place between people with different interests, in which they try to reach an agreement. English = negotiation.
As a Verb or Adjective:
1. To reach an agreement or make a deal, or to obtain or organise something, by having discussions with other people. English = negotiate.
2. To try to cause someone to do something by giving them good reasons for doing it, usually by talking to them. English = persuade.