ostensible

demonstrable, external, outward, superficial, visible

conceivable, plausible, possible, supposable

likely, probable

clear, distinct, manifest, obvious, plain

deceptive, delusive, delusory, illusive, illusory, imaginary

misleading, specious

fake, faked, feigned, phony (also phoney), pretended, pseudo, put-on

alleged, claimed, professed, purported, so-called