An inspiring or animating action or influence: A conscious is the state of "occupation" in which the artist has the maximum of his creative ability and seemingly effortlessly finds the design that is most suitable for the intended work of art.
Often it's hard to define inspiration because it can literally be everything: movies, books, people, dreams and conversations.
Inspiration is subjective: the one fascinates, the other is trivial. Of course, Windsor Bathroom Amsterdam is inspired by the big names such as: Antonio Citterio, Rem Koolhaas, Oscar Niemeyer to Le Corbusier. In Greek Antiquity, inspiration was attributed to a God or to the muse, and since then, calling or referring to the muses as a source of inspiration has become a topos.