美国的美学在过去三十年间达到了成熟。在美国的美学中发展了三种思想倾向,即:分析美学、语义学美学和自然主义美学,最后一种代表着美国哲学的传统。其它两个流派在某种程度上是欧洲新实证主义的一种反映。苏珊·朗格(在她的《哲学新解》一书中)和查尔斯·摩立斯,代表语义学派,但后者想把语义学观点同行为主义心理学结合起来, American aesthetics has matured over the past three decades. Three kinds of ideological tendencies have been developed in American aesthetics: the analysis of aesthetics, semantic aesthetics and naturalist aesthetics, the last one representing the tradition of American philosophy. The other two schools are to some extent a reflection of the new positivism in Europe. Susan Lange (in her “Philosophical New Understanding”) and Charles Mollis, on behalf of the semantic school, but the latter wants to combine the semantic perspective with behavioral psychology,