1. 1〔よりどころ,理由〕ground(s)(▼しばしば複数);〔基盤〕a basis ((複 -ses))
    • 根拠のある[ない]議論
    • a well-grounded [baseless/groundless] argument
    • 根拠のある[ない]情報
    • information from 「a reliable [an unreliable] source
    • このうわさには根拠がない
    • There's nothing to this rumor.
    • 疑惑の根拠がいくつかある
    • 「There are several reasons [There is ample ground] for suspicion.
    • 彼の推論はいつも事実に根拠を置いている
    • He always bases his inferences upon actual fact./His inferences are always grounded in (actual) fact.
  1. 2〔典拠〕
    • あなたがそう言う根拠は何か
    • What is your authority for saying that?