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Synonyms for Case (same or very similar meaning)

WordNet sense 1 (a special set of circumstances):

WordNet sense 2 (the quantity contained in a case):

WordNet sense 3 (a person who is subjected to experimental or other observational procedures; someone who is an object of investigation):
subject, subject, guinea pig

WordNet sense 4 (a person of a specified kind (usually with many eccentricities)):
character, eccentric, type

WordNet sense 5 (an occurrence of something):
example, instance

WordNet sense 6 (nouns or pronouns or adjectives (often marked by inflection) related in some way to other words in a sentence):
grammatical case

WordNet sense 7 (an enveloping structure or covering enclosing an animal or plant organ or part):

WordNet sense 8 (the housing or outer covering of something):
casing, shell

WordNet sense 9 (bed linen consisting of a cover for a pillow):
pillowcase, slip

WordNet sense 10 (a glass container used to store and display items in a shop or museum or home):
showcase, vitrine, display case

WordNet sense 11 (enclose in, or as if in, a case):
encase, incase

WordNet sense 12 (a comprehensive term for any proceeding in a court of law whereby an individual seeks a legal remedy):
cause, lawsuit, suit, causa

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