Sexology is... a universal integral science of the behavioral (physical), intentional (psychological), social, cultural and spiritual aspects of human sexuality with a holistic, inter-transactional, between and beyond the poles, basic theory (Lemmer, 2005).
Sexology is... the "organized", "theoretical", and "rational" study of sex (IASHS, 1994).
Sexology is... the scientific study of sex (Carroll, 2007).