General words:
* Trust (the most basic and direct word)
* Confidence
* Faith
* Belief
* Assurance
* Reliance
* Dependence
Positive connotations:
* Secure
* Safe
* Strong
* Solid
* Unwavering
* Unquestioning
* Unconditional
* Loyal
* Faithful
* Reliable
* Dependable
* Honest
* Integrity
* Transparency
Negative connotations:
* Doubt
* Suspicion
* Skepticism
* Hesitation
* Reluctance
* Mistrust
* Treachery
* Betrayal
More specific words:
* Credence: Belief in something's truthfulness
* Confidence: Firm belief in one's own abilities
* Faithfulness: Loyalty and devotion
* Fiduciary: Relating to a duty to act in the best interests of another
* Honesty: Truthfulness and sincerity
* Integrity: Moral soundness and adherence to ethical principles
* Transparency: Openness and honesty in communication
Figurative language:
* Rock solid: A metaphor for a strong and unwavering trust
* Blind faith: A metaphor for complete trust without reservation
* Leap of faith: A metaphor for trusting someone or something without complete certainty
The best word to describe trust will depend on the specific context. Think about the kind of trust you are trying to describe:
* Is it trust in a person, an institution, or an idea?
* Is it a long-standing trust or a newly developing one?
* Is the trust based on evidence or intuition?
* Is the trust absolute or conditional?