Meaning: かせつn. (Kanji=仮設) hypothesis, explanation which gives a reason for observed phenomena, theory (especially in the sciences); assumption, suppositionn. (Kanji=仮説) hypothesis, explanation which gives a reason for observed phenomena, theory (especially in the sciences); supposition, assumptionn. (Kanji=佳節) auspicious occasionn. (Kanji=嘉節) auspicious occasionn. (Kanji=架設) construction, building, something that has been builtv. (Kanji=架設する) construct, build, assemble, put together