Both Uses

ingenious
in
The Hobbit
(Edited)

We shall soon before the break of day start on our long journey, a journey from which some of us, or perhaps all of us (except our friend and counsellor, the ingenious wizard Gandalf) may never return.
p. 17.3

ingenious = clever (inventive and skillful)
...they invented some of the machines that have since troubled the world, especially the ingenious devices for killing large numbers of people at once,
p. 59.6 *

ingenious = inventive

Definitions: