noun
relationship of mutual trust; fiduciary relationship
Refers to a bond built on trust, often used in personal, professional, or legal contexts. The gloss 'fiduciary relation' is a technical legal term.
ビジネスでは、信頼関係が何よりも大切だ。
In business, a relationship of mutual trust is more important than anything.
長年の信頼関係
Their long-standing trusting relationship fell apart because of that incident.