泰然自若たいぜんじじゃく 'taru' adjective Adverb English jmdict 1 adverb taking the 'to' particle yojijukugo having presence of mind;self-possessed;imperturbable;calm and self-possessed
自若じじゃく I-adj 'taru' adjective English jmdict 1 adjectival nouns or quasi-adjectives (keiyodoshi) self-possessed;composed