investigation

The act or process of investigating.

A careful examination or search in order to discover facts or gain information. synonym: inquiry.

The act of investigating; the making of a search or inquiry; detailed or particularized examination to ascertain the truth in regard to something; careful research.

Synonyms Inquisition, Inquiry, etc. (see examination); overhauling, probing. See inference.

The act of investigating; the process of inquiring into or following up; research; study; inquiry, esp. patient or thorough inquiry or examination.