Mat FUN-raising Seminar One-Year Anniversary Seminar Mat Fundraising Seminar T-Shirts Gallery Iaido Kid's Program Newsletter Aikido Aikido ( 合気道 ) is a  Japanese martial art  developed by  Morihei Ueshiba , referred to as O Sensei (Great Teacher),  as a synthesis of his martial studies, philosophy, and religious beliefs. Aikido is often translated as "the Way of unifying (with)  life energy "