TELESIS By N., Pam M.S. - April 29, 2013 noun. deliberate, previously arranged efforts directed toward attaining a specific objective. TELESIS: "Your actions have been Telesis ones the whole time!" Related Psychology Terms TELIC TELEONOMY TELEOLOGY PREPARATORY RESPONSE DEATH INSTINCT AGGRESSION, PERMUTATION AMBITENDENCY ACTION RESEARCH PREESTABLISHED HARMONY Cite this page: N., Pam M.S., "TELESIS," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/telesis/ (accessed March 1, 2021).