(n.) the ability to form mental pictures or ideas of things that are not physically present:
imagination
What's this?
microwave
What's this?
washing machine
(n.) a thought or suggestion about how to do something:
idea
(v.) to get better or cause to get better:
improve
(adj.) able to think and do things in an original way
creative
What's this?
remote
What's this
light bulb
What's this?
cell phone
(n.) a procedure to find out information about something:
test
what's this?
iron
What's this?
dishwasher
What's this?
games console
What's this?
tablet
(adj.) "beneficial" synonym:
useful
What's this?
refrigerator (fridge)