Size, v. t.
1. To fix the standard of. “To size weights and measures.” [R.]
2. To adjust or arrange according to size or bulk. Specifically: (a) Mil. To take the height of men, in order to place them in the ranks according to their stature. (b) Mining To sift, as pieces of ore or metal, in order to separate the finer from the coarser parts.
3. To swell; to increase the bulk of.
4. Mech. To bring or adjust anything exactly to a required dimension, as by cutting.
To size up, to estimate or ascertain the character and ability of. See 4th Size, 4. [Slang, U.S.]
We had to size up our fellow legislators. --The Century.