Paradigm (from the Greek para- deigma — to exhibit side by side). In general use, a paradigm is an exemplary model, and from this the word has developed regular use in linguistics to describe grammatical forms which are taken as models - for example, the conjugation of a particular verb which stands as an example or model of the type.
In twentieth-century linguistics, the term paradigm is also used by extension as the name for the set of all the possibilities in a particular language, and the word syntagm is used to name the particular selection made from the set to produce any particular utterance. (Syntagm derives from the Greek syntaxis — to put together, to put in order.) …
Editors. "Syntagm / syntagmatic". The Literary Encyclopedia. First published 24 July 2009
[http://www.litencyc.com/php/stopics.php?rec=true&UID=1088, accessed 28 March 2017.]