Inquiry

Definition: Inquiry is any investigation, research or reasoning process that has the aim of augmenting data, information, knowledge, wisdom, or the thruth, resolving doubt, or solving a problem.
There are 3 classical inquiry processes: deduction, induction and abduction.
But see also appreciative inquiry and action research.

More on inquiry. More on reasoning: Abduction, Abstraction, Analogy, Argumenting, Deduction, more...