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Berkeleianism

British  
/ bɑːˈklɪəˌnɪzəm /

noun

  1. the philosophical system of George Berkeley, holding that objects exist only when perceived, that God's perception sustains the universe, and that there is no independent substratum or substance in which these perceptions inhere

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012