Synonyms for Relate (same or very similar meaning)
WordNet sense 1 (be in a relationship with):
interrelateWordNet sense 2 (have to do with or be relevant to):
concern, pertain, refer, touch, come to, touch on, bear onWordNet sense 3 (make a logical or causal connection):
associate, connect, link, colligate, associate, tie inFrom the ODE community, based on WordNetadd/edit