Satisfactory is used to describe the quality of something (usually a task). For example, "The janitor did a satisfactory job in cleaning the bathroom (the janitor cleaned the bathroom well)" or "The test score was satisfactory (passable)." Satisfying is used to describe something pleasurable. For example, "A cold glass of water is satisfying during a hot day." or "The sound of wind chimes are very satisfying and peaceful".

Satisfying is combined of two words, satisfy + ing. The word satisfying can be used either as an adjective or ing form of satisfy but satisfactory is an pure adjective .