Legal Definitions - pactio

Definition: Pactio (pronounced pak-shee-oh) is a Latin term used in civil law. It refers to the process of negotiation that leads to an agreement, known as a pactum. The term can also refer to the agreement itself.

Examples:

• Two parties negotiate the terms of a contract and come to an agreement. This agreement is the pactio.
• A landlord and tenant negotiate the terms of a lease. Once they come to an agreement, the lease becomes the pactio.

These examples illustrate how pactio refers to the process of negotiation and the resulting agreement. In both cases, the parties involved negotiate the terms of an agreement until they reach a mutual understanding. This understanding becomes the pactio, or the final agreement.