datum
scientific theory
empirical research
a posteriori
evidentially
espial
to all appearances
preobservational
observationalist
observandum
observationally
evidentness
ascertained
discovered
epexegesis
evidence
observed
apparent
plain
revealing
observational
patent
unmistakable
manifest
palpable
foretest
evident
observedly
preperception
authority
empirically
observable
by trial and error
through empirical observation
paper
testament
reading
construe
provenantial
observance
preobservation
distinguishment
observing
evidently
oogamously
prospicience
foreseeingly
heteronomy
foresightfully
postobservation