From methodology + -ical.

• (RP) IPA: /ˌmɛθ.ə.dəˈlɒd͡ʒ.ɪ.kəl/
• (America) IPA: /ˌmɛθ.ə.dəˈlɑ.d͡ʒɪ.kəl/
• (Australia) IPA: /ˌmeθ.ə.dəˈlɔd͡ʒ.ɪ.kəl/

methodological

1. Of, pertaining to, or using methodology or a methodology.
   • 2006, Paul D. Hastings, Johanna Vyncke, Caroline Sullivan, Kelly E. McShane, Michael Benibgui, William Utendale, Children's Development of Social Competence Across Family Types:

     No single study will ever be able to overcome any and all methodological limitations.

• methodical
• methodic

• French: méthodologique
• German: methodologisch
• Italian: metodologico
• Portuguese: metodológico
• Russian: методологи́ческий
• Spanish: metodológico