Webster's Revised Unabridged Dictionary · 1913

Semeiotics

Semeiotics (sē`mi*ot"iks) , noun

1.
The study of signs as an element of communication; the analysis of systems of communication; -- also called semiology.
2.
a theory of signs and symbols, including as branches semantics, pragmatics and syntactics. — [RHUD]

Also: Semiotics