(adj): vs. real) -- (lacking in reality or substance or genuineness; not corresponding to acknowledged facts or criteria
(adj): not based on fact or investigation
(adj): vs. empirical), theoretic -- (concerned primarily with theories or hypotheses rather than practical considerations
(adj): indulging in or influenced by fancy
(adj): vs. uncreative), originative -- (having the ability or power to create
(adj): being of the nature of a notion or concept
(adj): vs. concrete) -- (existing only in the mind; separated from embodiment