Deus ex machina and Device

Deus ex machina noun - Any active agent who appears unexpectedly to solve an insoluble difficulty.

Device and deus ex machina are semantically related. in unconvincing character who resolves plot topic. In some cases you can use "Device" instead a noun phrase "Deus ex machina".

Device noun - A clever often underhanded means to achieve an end.

Deus ex machina and device are semantically related. Sometimes you can replace phrase "Deus ex machina" with "Device", this terms are similar.