(v. t.) To reduce to a unit, or one whole; to form into a unit; to unify.

add up to aggregate aggregate to amount to be OK be correct be just right be right cast up cipher up come come to comprise compute contain count up detail figure up foot up inventory itemize mount up to number recap recapitulate recite reckon up reckon up to recount rehearse relate run into run to score up sum sum up summarize summate tally tally up tot tot up tot up to total total up tote tote up tote up to unitize