Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb size_up
1 sense of size up
Sense 1
size up, take stock, scrutinize, scrutinise -- (to look at critically or searchingly, or in minute detail; "he scrutinized his likeness in the mirror")
=> examine, see -- (observe, check out, and look over carefully or inspect; "The customs agent examined the baggage"; "I must see your passport before you can enter the country")