Synonyms for Mathematical (same or very similar meaning)
WordNet sense 1 (relating to or having ability to think in or work with numbers):
numericalWordNet sense 2 (incapable of being questioned):
unquestionableWordNet sense 3 (capable of happening or existing):
possibleWordNet sense 4 (marked by strict and particular and complete accordance with fact):
exactFrom the ODE community, based on WordNetadd/edit