|refə|renchəl adjective
Etymology: from reference (I) , after such pairs as English difference : differential
1. : containing or constituting a reference : pointing to something out of itself
symbols are inherently referential
referential rather than emotive use of words
2. : of, relating to, or intended for reference
notes for referential use
• ref·er·en·tial·ly -chəlē adverb