Synonyms and related words :
Socratic method, asking, bringing into question, catechetical method, catechization, catechizing, challenge, deepening, delving, depression, digging, dispute, drilling, examination, excavation, fishing, in search of, inquest, inquiring, inquisition, interpellation, interrogation, 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