trust

noun:firm belief in the reliability, truth, ability, or strength of someone or something
- The team's success was built on a foundation of mutual trust.
verb:to believe in the reliability, truth, ability, or strength of someone or something
- I trust my friend to keep my secrets safe.
noun:a legal arrangement where a person or organization manages property or assets for the benefit of another
- Her inheritance was held in a trust until she turned 21.