gauge

1 to decide the size, amount, number, or distance of (something) without actual measurement glance over the pattern and try to gauge how much fabric you'll need Synonyms calculate, call, conjecture, figure, estimate (also gage), guess, judge, make, place, put, reckon, supposeRelated Words conclude, deduce, extrapolate, gather, infer, reason, understandNear Antonyms calibrate, measure, scale; compute, work out

2 to find out the size, extent, or amount of very difficult to gauge how upset he really is by his controlled reaction Synonyms measure (also gage), scale, spanRelated Words weigh; calibrate, caliper; quantify, quantitate; lay off, mark (off); calculate, cipher, compute, figure, reckon, work out; appraise, assess, conjecture, estimate, evaluate, guess, guesstimate, judge, suppose, valuate, value; add up, sum, tally, total; ascertain, determine, discover, dope (out), figure out, find out