A B C D E F G H I J K L M N O P Q R S T U V W X Y Z. Free will is the freedom of self-determination and action independent of external causes. It is the ability to make choices. A choice is free if it is consistent with a person's desires and nature. Free will is of two main types: compatibilistic and libertarian. Compatibilism is the position that man's free will is restricted by his sinful nature