Webster's Revised Unabridged Dictionary · 1913

Complicate

Complicate , adjective

[Latin complicatus, past participle of complicare to fold together. See Complex.]

1.
Composed of two or more parts united; complex; complicated; involved.
How poor, how rich, how abject, how august, How complicate, how wonderful is man! — Young
2.
(Botany) Folded together, or upon itself, with the fold running lengthwise.

Complicate , transitive verb

To fold or twist together; to combine intricately; to make complex; to combine or associate so as to make intricate or difficult.
Nor can his complicated sinews fail. — Young
Avarice and luxury very often become one complicated principle of action. — Addison
When the disease is complicated with other diseases. — Arbuthnot