Merriam-Webster's Collegiate® Dictionary, 11th Edition
TRUST
I. noun see: true
Date: 13th century
1. assured reliance on the character, ability, strength, or truth of someone or something, one in which confidence is placed,
2. dependence on something future or contingent ; hope , reliance on future payment for property (as merchandise) delivered ; credit ,
3. a property interest held by one person for the benefit of another, a combination of firms or corporations formed by a legal agreement, trustworthiness,
5. a. a charge or duty imposed in faith or confidence or as a condition of some relationship, something committed or entrusted to one to be used or cared for in the interest of another, responsible charge or office, care , custody ,
II. verb
Date: 13th century
intransitive verb
1. to place confidence ; depend , to be confident ; hope , to sell or deliver on credit, transitive verb
1. to commit or place in one's care or keeping ; entrust , to permit to stay or go or to do something without fear or misgiving,
2. to rely on the truthfulness or accuracy of ; believe , to place confidence in ; rely on , to hope or expect confidently , to extend credit to, trustability noun trustable adjective truster noun trustingly adverb trustingness noun