Etymological root
credere
to believe; to trust; to lend
Forms to recognize: crēdō, crēdere, crēditum
This Latin verb connects belief with trust and lending. Credible describes something believable; credit and creditor also preserve the family connection. Use the shared spelling as a memory cue, then learn each word's modern sense: incredible often expresses admiration, and credit can mean recognition for work.
Learn this word family
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credible
Able to be believed; convincing and plausible.
The matching receipts made her explanation credible to the investigators.
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incredible
Amazing, wonderful, or extremely good.
The orchestra gave an incredible performance that brought the crowd to its feet.
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credit
Praise or recognition for something you have done.
The designer gave her whole team credit for the successful exhibition.
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creditor
a person, company, or institution to whom money is owed
The bank remained the company's largest creditor after the loan was restructured.
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discredit
To damage the good reputation of someone or something.
The forged photograph was an attempt to discredit the researcher.