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

An excessively intense desire for returning to past or lost conditions

Nostalgia

The answer is nostalgia.

• Affection means a feeling of fondness or liking for someone or something.
• Glitterati means the fashionable or artistic elite.
• Paranoia means a mental disorder characterized by delusions of persecution or grandeur.
• Nostalgia means a wistful or excessively sentimental yearning for return to or of some past period or irrecoverable condition.