mythopoeia
Concise Oxford English Dictionary © 2008 Oxford University Press:
mythopoeia /ˌmɪθə(ʊ)ˈpiːə/
▶noun the making of a myth or myths.
– derivatives
mythopoeic adjective,
mythopoetic adjective.
mythopoeic adjective,
mythopoetic adjective.
– origin 1950s: from Gk muthopoiia.
'mythopoeia' also found in these Oxford entries:

