dummy

nouns

a person who does not talk
an ignorant or foolish person
a figure representing the human form
is a type of (narrower)
a model of a bodily form (especially of a person)
"he made a figure of Santa Claus"
a cartridge containing an explosive charge but no bullet

verbs

make a dummy of
"dummy up the books that are to be published"

adjectives

having the appearance of being real but lacking capacity to function
"a dummy corporation"
is similar to
contrived by art rather than nature
"artificial flowers"; "artificial flavoring"; "an artificial diamond"; "artificial fibers"; "artificial sweeteners"