The French term "laissez-aller" generally translates to "letting go" or "allowing to happen". In English, there are several synonyms that can be used to convey the same meaning as "laissez-aller". For instance, "relaxation" implies allowing oneself to break free from strict rules and regulations, while "nonchalance" expresses a casual and carefree attitude towards a matter. "Ease" and "casualness" are also appropriate synonyms that represent an unforced and effortless approach to a situation. Furthermore, "spontaneity" implies a natural flow of events without any planned or premeditated actions. Overall, these synonyms can all be used to describe the essence of the French term "laissez-aller" in different contexts.