Synonyms for Add Up (same or very similar meaning)
WordNet sense 1 (add up in number or quantity):
amount, come, number, total, numberWordNet sense 2 (be reasonable or logical or comprehensible):
make senseWordNet sense 3 (determine the sum of):
add, sum, tally, tot, summate, sum up, tote up, tot up, add togetherFrom the ODE community, based on WordNetadd/edit