Fighting method withthe bugel, arts of war,rather than with sporting or aesthetic values, which are generally linked to the do(way) methods developed in Japan after the mid-1 8th century. Some of the more popular were karate-jutsu, kenjutsu, aiki-jutso, and jujutsu; these were the antecedents of karate-do, kendo, aikido, and judo. Also spelled jitsu.