Select the most appropriate one-word substitution for the given group of words.

A special fondness or liking for something

Propensity

The most appropriate one-word substitution for "a special fondness or liking for something" is propensity.

• Vehement means forceful or passionate.
• Perpetual means lasting or continuing forever.
• Pompous means arrogant or self-important.

The word propensity comes from the Latin word "propendere," meaning "to lean towards." A propensity is a natural inclination or tendency towards something. It can be a positive or negative inclination, but it is usually used to describe a positive inclination.