study (of something); discussion; discourse
consideration; inquiry; enquiry; investigation; study
plan; device; idea; design; contrivance; conception
foolish thought; (one's own) thought; (one's own) idea
thinking (about a matter) for a long time; contemplating for a long time; lengthy consideration; pondering
(historical) investigation
consideration; deliberation
study of modern societies
one's own thoughts or opinion
deceased grandfather of the emperor
deceased grandfather; deceased father and grandfather; distant ancestor; forefather