立りっ脚きゃく

noun, noun or participle which takes 'suru', intransitive verb

being based on; grounding in

Formal noun or する-verb used when a theory, policy, or argument is founded on a particular principle, fact, or viewpoint. Often appears in the pattern ～に立脚する.

• この政せい策さくは科か学がく的てきなデータに立りっ脚きゃくしている。

  This policy is based on scientific data.

• 彼かれの主しゅ張ちょうは事じ実じつに