| Aikidoka | 合 気 道 家 | someone practicing aikido |  |
| Dojocho | 道 場 長 | Head of a Dojo | |
| Doshu | 道 守 | keeper of the way, top teacher | |
| Doshu | 道 主 | master of the way |  |
| Kohai | 後 輩 | junior student | |
| Mudansha | 無 段 者 | someone without dan grade | |
| Nage | 投 げ | throw, also used for the one doing the aikido technique |  |
| O-Sensei | 大 先 生 | great teacher, used to refer to the founder of Aikido, Morihei Ueshiba | |
| Otomo | 御 伴 | Attendant to an Instructor | |
| Ronin | 浪 人 | Samurai with no lord or master | |
| Samurai | 士 / 侍 | Warrior, "who serve in close attendance to the nobility". | |
| San | さ ん | polite suffix. Used between good friend, when attached to the first name. | |
| Sempai | 先 輩 | senior student | |
| Sensei | 先 生 | born before, teacher, master | |
| Shidoin | 指 導 員 | Instructor | |
| Shihan | 師 範 | senior teacher, master instructor | |
| Uchideshi | 内 弟 子 | Live-in student, private disciple | |
| Uke | 受 け | the one receiving the aikido technique | |
| Wakasensei | 若 先 生 | Young teacher; commonly refers to the son of a master of any art before he becomes the successor. | |
| Yudansha | 有 段 者 | Black belt, or dan holder | |