Triangulation (noun)

1. The process of determining the location of a point by measuring angles to it from known points at either end of a fixed baseline, rather than measuring distances to the point directly.
2. The use of multiple methods or sources in research to increase the validity of the findings.
3. A situation in which a political group or individual seeks to balance conflicting interests by playing off one against another.

Origin:

Late 19th century: from triangle + -ation.

Examples:

1. The surveyors used triangulation to accurately map the terrain of the wilderness.
2. The researcher employed triangulation in his study by gathering data through interviews, surveys, and observation.
3. The diplomat employed triangulation in his negotiations, trying to find a solution that satisfied all parties involved.
4. The geographer relied on triangulation to determine the location of the mountaintop.
5. The political strategist used triangulation to balance the interests of different voting blocs.