/ˈkriːdəns/
[noun] Belief in or acceptance that something is true or real. When you give credence to an idea, you treat it as worth believing.
Credence originally described a small table used to taste food for poison before serving it to a king.
The story of 'credence' begins with the Latin verb 'credere', meaning 'to believe' or 'to trust'. This ancient root was deeply embedded in Roman life, carrying the sense of placing faith in something — whether a person, a promise, or a god. From 'credere' came the Medieval Latin noun 'credentia', meaning 'belief' or 'trust', which then passed into Old French as 'credence', keeping the same essential meaning. English borrowed the word directly from Old French in the 14th century, and it has carried the sense of 'belief' or 'trustworthiness' ever since.
What makes 'credence' genuinely surprising, however, is one of its older, more physical meanings. In medieval and Renaissance Europe, a 'credence' — sometimes called a 'credence table' — was a small sideboard or shelf placed near the dining table of a noble or royal household. Before food and drink were served to the lord, a servant would taste them at this table to check for poison. The act of tasting was itself a demonstration of trust, a physical performance of 'credere'. The table took its name from the trust it was meant to establish: eating from it proved the food was safe to believe in.
This same Latin root, 'credere', is one of the most productive in the English language. It gave us 'credit' (via Latin 'creditum' → Italian 'credito' → early modern English 'credit'), meaning something given in trust that must be repaid. It also produced 'creed' (via Latin 'credo', literally 'I believe' → Old English 'creda'), the statement of beliefs held by a religious community. 'Credentials' followed a similar path: Latin 'credentialis' → Medieval Latin documents meaning 'letters of trust' → English 'credentials'. Even the word 'incredible' travels the same road: Latin 'incredibilis' (in- meaning 'not' + credibilis meaning 'believable') → English 'incredible'.
In English, 'credence' settled primarily into abstract use — you give credence to a theory, a rumour, or a claim when you decide it deserves to be believed. Interestingly, the word tends to appear in constructions that suggest a careful, deliberate act of judgment: one 'gives' or 'lends' credence, as if belief were something you hand over after weighing the evidence. This reflects the original Latin idea of trust as an active, considered choice rather than a passive or automatic response.
Over the centuries, 'credence' has remained more formal and precise than simpler words like 'belief' or 'trust'. It often carries a slightly intellectual or analytical tone — the sort of word that appears in courtrooms, philosophical arguments, or careful journalism, wherever the question of whether something deserves to be believed must be examined seriously. Its survival in modern English is a quiet testament to how central the question of trust has always been to human life.