に就て[nitsuite] concerning
に就き[nitsuki] because of
去就[kyoshuu] committing one's self
就いては[tsuiteha] in line with this
就きましては[tsukimashiteha] in line with this

就く[tsuku] to ascend (the throne)
就ける[tsukeru] to install (a king, emperor, etc.)
就学[shuugaku] entering school
就学義務[shuugakugimu] compulsory school attendance
就学児童[shuugakujidou] school child

愛想の良い[aisonoii] affable
意想外[isougai] unexpected
仮想[kasou] imagination
仮想記憶[kasoukioku] virtual memory
仮想空間[kasoukuukan] virtual space (e.g. in computer graphics)

回想[kaisou] reflection
回想録[kaisouroku] memoirs
楽想[gakusou] melodic subject
感想[kansou] impressions
危険思想[kikenshisou] dangerous thoughts