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credible
thorough

cred·i·ble

credible

 
 
pronunciation:
kre dih bl
features:
Word Parts
part of speech: adjective
definition 1: believable or plausible.
The teacher allowed him to make up the exam because she thought his excuse was credible.
synonyms:
believable, dependable, plausible, reliable, truthful
antonyms:
implausible, incredible, tall, unbelievable
similar words:
acceptable, believable, conceivable, creditable, imaginable, likely, possible, specious, tenable
definition 2: deserving of belief; trustworthy.
Because he had been drinking at the time of the incident, he was not considered a credible witness.
synonyms:
dependable, honorable, reliable, trustworthy
similar words:
acceptable, admirable, believable, estimable, faithful, honest, scrupulous, sincere, truthful, veracious
derivations: credibly (adv.), credibility (n.)
Word Parts  About this feature
The word credible contains the following parts:
cred, credit Latin root that means believe
-able, -ible, -ble Latin adjective-forming suffix that means capable of being, doing, or undergoing
Show wordsHide wordsMore about this word part:
The suffix -able , and its variants, is attached to Latin verb roots or English transitive verbs to form adjectives. (In a small set of cases, -able is attached to a noun, e.g. knowledgeable and marriageable.) For spelling purposes, it is useful to know that -able is more likely to be added to a whole English word (comparable, adorable ), while -ible is more likely to follow a bound root (visible , legible ). However,there are still many words which combine a root with -able (capable , inevitable ). The suffix -ity can be added to any adjective ending in -able , -ible , -ble to produce a corresponding noun ending in -ability, -ibility, -bility (possible + -ity > possibility; irrevocable + -ity > irrevocability.)