negotiation

n. debate between two parties for the purpose of reaching an agreement; haggling, bargaining; act of passing an obstacle; method for connecting two computers or arranging data transfer between them (Computers)

Negotiator redirects here. For the movie, see The Negotiator (film) Broadly speaking, negotiation is an interaction of influences. Such interactions, for example, include the process of resolving disputes, agreeing upon courses of action, bargaining for individual or collective advantage, or crafting outcomes to satisfy various interests. Negotiation is thus a form of alternative dispute resolution.
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Negotiate, v to deal or bargain with another or others to bring about an agreement or settlement. [more]Negotiation - Community and Resources

Noun
1. a discussion intended to produce an agreement; "the buyout negotiation lasted several days"; "they disagreed but kept an open dialogue"; "talks between Israelis and Palestinians"
(synonym) dialogue, talks
(hypernym) discussion, give-and-take, word
(hyponym) parley
(derivation) negociate, negotiate, talk terms
2. the activity or business of negotiating an agreement; coming to terms
(hypernym) activity

(n.)
The transaction of business between nations; the mutual intercourse of governments by diplomatic agents, in making treaties, composing difference, etc.; as, the negotiations at Ghent.
  

(n.)
The act or process of negotiating; a treating with another respecting sale or purchase. etc.
  

(n.)
Hence, mercantile business; trading.