did an about-face (verb) back-pedal: change mind
Sinonime: add,
cast,
cipher,
count, count heads, count noses, cut ice, dope out,
enumerate, estimate, fix a price,
foot*,
guess, keep tabs,
number,
reckon, run down,
sum, summate, take account of,
tally, tot, tot up,
total, totalize, tote,
work outAntonime: estimate, guess