curious
distrustful
perplexed
Pyrrhonic
Socratic method
agnostic
answering
asking
bringing into question
catechetical method
catechistic
catechization
catechizing
challenge
communicating
communicational
communional
conversational
disbelieving
dispute
doubtful
doubting
dubious
examination
from Missouri
in doubt
inquiring
inquisitional
inquisitorial
interacting
interactional
interactive
intercommunicational
intercommunicative
intercommunional
interpellation
interresponsive
interrogation
interrogational
interrogative
interrogatory
investigative
leery
linguistic
mistrustful
mistrusting
oral
probing
pumping
query
querying
unquestioning