Smeligent

Something well suited to its purpose(s)

Someone good at creating/doing things well suited to their purposes. See

Is the definition something well suited to its purpose(s)? That's smeligent

Smart

Something well suited to its purposes

Someone good at creating/doing things well suited to their purposes.

(Purpose: the reason for which something is done or created or for which something exists.)

This definition of smart is smart because it makes good contextual sense.