Aikido is a Japanese Martial Art, created by Morihei Ueshiba, (1883–1969) often referred to as ‘O Sensei’ – literally, ‘Great Teacher.’
The word ‘Aikido’ can be split into three parts – ‘Ai’, meaning ‘harmony’, ‘Ki’, meaning ‘energy’, and ‘Do’, meaning the ‘way.’ So, Aikido is, again literally, ‘the harmonious way of energy.’ What this results in regarding the actual physical (and mental) movements that are performed in Aikido, is that when an Aikidoka (Aikido student) is attacked, they blend (harmonise) with the force of the attack (the energy,) and redirect it in the most appropriate manner (the way) thus neutralising the attack, and/or attacker(s) too.
Very positive consequences result from dealing with an attack in this manner. One is that the resulting martial art relies on physical technique rather than physical strength, this being very important, especially in the case of a woman being attacked by a man. Another consequence is Aikido is a suitable and very effective system of self-defence for practically anyone of any size, sex or age to learn. As O Sensei said, ‘If you have the strength to walk, you can learn Aikido.
There is a real plethora of information about Aikido available in various formats, and it isn’t practical or sensible for this site to try and compete regarding volume of content about Aikido. Therefore, if you require more information, the best thing to do is to check the K.A.A. site and some of the other sites on the links page.