Agatsu: Victory over self, principle of Aikido

Ai-hanmi: Same stance as partner, left to left, or right to right

Aikido: The path of harmonizing energy

Aikidoka one who does aikido, specifically on an advanced or professional level

Aikikai: Organization for practicing Aikido

Arigato: thanks (informal)

Arigato gozaimasu: thank you (polite, more formal)

Arigato gozaimashita: thank you (more polite, formal)

Ashi: leg, foot

Ate: hit, strike

Atemi: Strike used to distract attacker

Boken: Wooden sword used for training

Bokuto: Wooden sword, same as Boken

Budo: Martial art, military way

Bushido: Code of the Samurai, Japanese chivalry

Dan: level, belt grade

Do: way, also michi

Dojo: Way place, training hall for martial arts

Domo arigato gozaimas: thank you (formal, honorific)

Domo arigato gozaimashita: thank you (most formal, honorific)

Doshu: Leader of the way, Ueshiba Sensei

Fukushidoin: assisting instructor, title for aikido teacher, 2-3 dan, compare shidoin and shihan

Gaeshi/kaeshi: returning, reversed

Gi: Uniform worn when practicing martial arts, see Keiko-gi

Go: The number five

Gokyo: fifth teaching, pinning technique

Gomen nasai: excuse me

Gyaku reverse, opposite

Gyaku-hanmi: Opposite stance as partner, left foot to right foot

Hachi: The number eight

Hakama: Divided skirt worn by Yudansha, usually black or dark blue

Hanmi: Half body, Stance used in Aikido

Hanmi-handachi: Nage kneeling, Uke standing

Hantai: Opposite, as in stepping back into the opposite hanmi

Hara: Center, 'One Point', source of Ki

Henkawaza: Change to different technique

Hidari: left (right: migi)

Hidari hanmi: Stance with left foot forward

Hiji: elbow

Honbu Dojo: Main headquarters, currently in Tokyo

Iaido: The art of drawing the Japanese sword

Iaito: Training sword, usually not sharpened

Ichi: The number one

Ichiban: First, best

Ikkyo: First teaching, pinning technique

Irimi: Entering movement, opposite of tenkan

Iriminage: inward throw, throwing technique

Jiyu Waza: Free style techniques

Jotori: Technique taking wooden staff from opponent

Jo Waza: Technique keeping wooden staff from opponent

Kaeshiwaza: Counter technique

Kaiso: Founder, Morihei Ueshiba, see O-Sensei

Kata:  1)shoulder; 2) form or pre-decided movements

Kamae: Basic defensive stance

Kohai: Junior student, see Sempai

Kokyu: Breathing

Kokyuho: Breathing exercise, throwing technique

Kokyunage: Breath throw

Kokyu ryoku: Breath power

Koshi: Hip

Koshinage: Hip throw

Kote: Wrist

Maai: Distance between Nage and Uke

Mae Ukemi: Forward fall

Masakatsu: Correct Victory, principle of Aikido

Migi hanmi: Stance with right foot forward

Nage: Thrower, defender who executes the technique

Nage Waza: Throwing technique

Omote: Front, technique with Irimi movement, see Ura

Osae Waza: Pinning technique

Onegaishimasu (o-ne-guy-she-mas): Spoken before the start of class, generally means 'do your best' or 'if you please'

O-Sensei: Great teacher, Morihei Ueshiba, founder of Aikido

Randori: Free style with multiple attackers

Rei: Bow

Reigi: Etiquette, courtesy, politeness

Seiza: Correct sitting position

Sempai: Senior student, see Kohai

Sensei: Teacher, a title of respect

Shichi: seven, also pronounced nana

Shidoin: instructor, middle title for aikido teacher, 4-5 dan, compare fukushidoin and shihan

Shihan: expert example, high title for aikido teacher, from 6 dan, compare fukushidoin and shidoin

Shiho: four directions

Shikaku: Dead angle

Shikko: Knee walking

Shosho: Certificate of rank

Soto Mawari: Outside turn, lead for Kaitennage, see Uchi

Suwari Waza: Sitting technique, Nage and Uke both kneeling

Tachitori: Technique taking sword from opponent

Tachi Waza: Standing technique, Nage and Uke both standing

Tanden: Center for breathing and movement

Tantotori: Technique against a knife

Tenkan: Turning movement, opposite of Irimi

Uchi-deshi: Pupil who lives in the Dojo

Uchi Mawari: Inside turn, lead for Kaintennage, see Soto

Uke: Receiver, attacker who receives the throw

Ukemi: Fall, either a roll or a breakfall

Ura: Back, technique with Tenkan movement, see Omote

Ushiro Ukemi: Back fall

Ushiro Waza: Technique against attack from behind

Waza: Technique