The stipulative definitions are those that express the meaning of the words through definitions agreed by a group and a context, in that sense it is different from the lexical definition because the latter is the meaning that is had for the name in a significant group as a society .
Stipulative definitions are often used to give precision to a new concept or an abstract idea, or to resignify an existing term.
Answer
B. Stipulative definitions often begin as slang among groups, as these definitions are contextual.