inquiring
Socratic method
asking
bringing into question
catechetical method
catechization
catechizing
challenge
deepening
delving
depression
digging
dispute
drilling
examination
excavation
exploring
fishing
in search of
inquest
inquisition
interpellation
interrogation
investigating
investigation
loaded for bear
looking for
lowering
mining
nosy
out for
out for bear
poking
probe
prying
pumping
querying
quest
questioning
quiz
quizzing
research
searching
seeking
sinkage
sinking
tunneling