Anguilla Map on the process of confirming a hypothesis by collecting evidence from multiple sources or experiments or using multiple procedures. The data from each source, experiment, or procedure support the hypothesis from a somewhat different perspective. 2. in family therapy, a situation in which two members of a family in conflict each attempt to draw another member onto their side. Triangulation can occur, for example, when two parents are in conflict and their child is caught in the middle. triangulate vb. triarchic theory of intelligence a theory of intelligence proposing three key abilities analytical, creative, and practical which are viewed as largely although not entirely distinct. Anguilla Map 2016.