experimental
extemporaneity
extemporaneousness
empirically
by trial and error
through empirical observation
semiempirical
extrinsicness
neuter
epexegesis
experientialist
quantitative analysis
extemporally
extemporary
empiriological
superempirical
exanthematology
clinically
ad lib
ekistically
excentral
emergetic
extrinsicalness
empiristic
semiquantitative
statistically significant
explicative
explicatory
exonormativity
existential
deal with
lavish
exaptive
exegetically
exaptational
extensibleness
multideterminant
extrusory
given
extrinsical
disquisition
psychoempirical
exaptative
semiempirically
stylized fact
associatively
exsiccotic
excitorepellency
circumspectively
extrinsicality