carrying out is a noun meaning "the act of accomplishing some aim or executing some order". It carries 2 recorded senses.
the act of accomplishing some aim or executing some order
“the agency was created for the implementation of the policy”
the act of performing; of doing something successfully; using knowledge as distinguished from merely possessing it
“they criticised his performance as mayor”
“experience generally improves performance”
Definitions, synonyms and semantic relations for carrying out come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.