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meta-theoretical
meta-theoretical adj. 
/ˌmɛdəθɪˈrɛdək(ə)l/
Brit. /ˌmɛtəθɪəˈrɛtᵻkl/
, /ˌmɛtəθɪəˈrɛtᵻkl/U.S. /ˌmɛdəˌθiəˈrɛdək(ə)l/
, /ˌmɛdəˌθiəˈrɛdək(ə)l//ˌmɛdəθɪˈrɛdək(ə)l/ΚΠ
1938 Philos. Rev. 47 74 The concept of truth can neither be defined nor applied without a somewhat detailed meta-theoretical investigation.
1989 Appl. Linguistics 10 368 In extending linguistic theory to the study of L2 learning, decisions have to be made at what one might term the ontological, metatheoretical, theoretical, and descriptive levels of linguistic inquiry.
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