Meaning: こうさいn. (Kanji=交際) friendship; acquaintance, association; society, companyn. (Kanji=光彩) brightness, luminosity; radiance; splendor, magnificence; dazzlen. (Kanji=公債) public debt, public bond, public securities, debt of a country, national debtn. (Kanji=公栽) judicial decisionn. (Kanji=口才) clever speech; acumenn. (Kanji=虹彩) iris, colored part of the eyeball surrounding the pupil (Anatomy); any of a number of plants having sword-shaped leaves and showy flowersn. (Kanji=鉱滓) slag, scoria, cinder-like pieces of lava (Geology)v. (Kanji=交際する) associate, be a partner; go together