We don't have synonyms for po-mo yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are pomo, po-po and po mo.
(n) :
Alternative form of postmodernism. [Any style in art, architecture, literature, philosophy, etc., that reacts against an earlier modernist movement.]
(adj) :
Alternative form of postmodern. [(literally) Relating to what follows the modern era.]
(n) :
Alternative form of postmodernism. [Any style in art, architecture, literature, philosophy, etc., that reacts against an earlier modernist movement.]
(adj) :
Alternative form of postmodern. [(literally) Relating to what follows the modern era.]