case

(noun): An actual event, situation, or fact.
(noun): A given condition or state.
(noun): A piece of work, specifically defined within a profession.
(noun): (academia) An instance or event as a topic of study.
(noun): A legal proceeding, lawsuit.
(noun): (grammar) A specific inflection of a word depending on its function in the sentence.
(noun): (grammar) Grammatical cases and their meanings taken either as a topic in general or within a specific language.
(noun): An instance of a specific condition or set of symptoms.
(noun): A section of code representing one of the actions of a conditional switch.
(verb): To propose hypothetical cases.

For a change, in this case, he was telling the truth.
It was one of the detective's easiest cases. Social workers should work on a maximum of forty active cases. The doctor told us of an interesting case he had treated that morning.
The teaching consists of theory lessons and case studies.
The accusative case canonically indicates a direct object. Latin has six cases, and remnants of a seventh.
Jane has been studying case in Caucasian languages. Latin is a language that employs case.