Device and Sustentation

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

Sustentation and device are semantically related In some cases you can use "Sustentation" instead a noun "Device".

Sustentation noun - The act or activity of keeping something in an existing and usually satisfactory condition.

Device and sustentation are semantically related in something that holds up structure topic. Sometimes you can use "Device" instead a noun "Sustentation".