Both Uses of
contrived
in
Julius Caesar
-   we shall find of him
 A shrewd contriver;p. 61.3contriver = plotter (arranger)
-   If thou read this, O Caesar, thou mayest live;
 If not, the Fates with traitors do contrive.p. 85.6 *contrive = plot (make arrangements)
Definition:
unnatural seeming (due to careful planning)
or more rarely:
arranged (that something should happen)
or more rarely:
arranged (that something should happen)