Objective. In this study, the implicit attitudes of University students were analyzed with regard to forgivingness towards ex members of the guerilla and paramilitary groups in the Colombian armed conflict. Method. Thirty University students in Bogota were measured with the IAT (Implicit Association Test) by using the response latency to measure the strength of the association between different concepts and an explicit questionnaire related to forgiveness. The analysis was made from functional contextualism and Relational Frame Theory. Results. There was found that participants presented a stronger association between the concepts of forgiveness and Guerilla, suggesting they would be more willing to forgive an ex member of this armed group. Conclusion. 1