This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Capable of being believed; plausible. See Synonyms at plausible.

adj. Worthy of confidence; reliable.

adj. Being of sufficient military capability to deter an attack or carry out an operation successfully: credible military force.

adj. believable or plausible

adj. authentic or convincing

adj. Capable of being credited or believed; worthy of belief; entitled to confidence; trustworthy.

Worthy of credit or belief, because of known or obvious veracity, integrity, or competence: applied to persons.

Capable of being credited or believed, because involving no contradiction, absurdity, or impossibility; believable: applied to things.

A witness not disqualified nor impeached as unworthy of credit: as, the fact was established on the trial by the testimony of several credible witnesses.

adj. (a common but incorrect usage where `credulous' would be appropriate) credulous

adj. appearing to merit belief or acceptance

adj. capable of being believed

"At a hastily called press conference at the headquarters of the New York Police Department, authorities in New York City offered little detail into what they called a credible terrorist threat received Thursday, as the city nears a large scale commemoration of 9/11."

credulous    convincing    presumptive    likely   

incredible   

credible witness    street cred   

credibility    credence    credit    credential   

trustworthy    believable    likely    swallowable    probable   

edible    incredible    inedible   

plausible    trustworthy    convince    intelligible    satisfactory    acceptable    truthful    believable    creditable    feasible