take stock is a verb meaning "to look at critically or searchingly, or in minute detail". It carries 2 recorded senses.
to look at critically or searchingly, or in minute detail
“he scrutinized his likeness in the mirror”
make or include in an itemized record or report
“Inventory all books before the end of the year”
Definitions, synonyms and semantic relations for take stock come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.