Negotiation (noun)

1. The process of discussing and reaching an agreement with another person or group, especially in order to end a disagreement or dispute.
2. The action or process of negotiating a deal or agreement with others.
3. The art of finding a way through or around something.

Origin:

Late 16th century: from latin negotiatio(n-), from the verb negotiari (see negotiate).

Examples:

1. The merger was the result of months of negotiation.
2. The negotiation of the contract took a long time.
3. She is experienced in negotiation.
4. They are in the middle of negotiations.
5. We are at the beginning of the negotiation process.