in·ves·ti·ga·tion. (ĭn-vĕs′tĭ-gā′shən) n. 1. The act or process of investigating: a politician under investigation. 2. A careful examination or search in order to discover facts or gain information. See Synonyms at inquiry. in·ves′ti·ga′tion·al adj. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.