Definition from Wiktionary, the free dictionary
- Alternative spelling of systematize.
- (psychology) To engage in a cognitive process described as the drive to analyze and construct systems.
Related terms 
- Bonnie Auyeung, Simon Baron-Cohen, Emma Chapman, Rebecca Knickmeyer, Kevin Taylor and Gerald Hackett "Foetal testosterone and the child systemizing quotient" in European Journal of Endocrinology (2006) 155 (suppl. 1), p.123-130.