Select the option that can be used as a one-word substitute for the given group of words.

Something which is worth believing

Credible

The correct option is credible. It means "worthy of belief; believable." The other options are not correct substitutes.

• Spurious means "not genuine or true."
• Expedient means "serving one's own interests or advantage, without regard for others."
• Impending means "likely to happen soon; threatening."