Accidentalness refers to events or situations that happen unintentionally or by chance. Synonyms for this term include inadvertentness, fortuity, coincidence, fluke, luck, chance, fate, happenstance, and serendipity. Inadvertentness emphasizes the lack of intention behind an action or event, while fortuity and happenstance suggest that the outcome was unpredictable or unexpected. Fluke and luck both imply the role of chance or fortune in determining the outcome of an event. Fate and serendipity emphasize the idea of a higher power or destiny guiding events. Whatever term is used, accidentalness often suggests a sense of surprise or unpredictability that cannot be controlled or predicted.