Semeiotic
Semeiotic (sē`me*ot"ik or se`me*ot"ik) , adjective
[Greek shmeiwtiko`s, from shmei^on a mark, a sign.]
1.
Relating to signs or indications; pertaining to the language of signs, or to language generally as indicating thought.
2.
(Medicine) Of or pertaining to the signs or symptoms of diseases.
Also: Semiotic