Question

memorable experience of one's life one word substitution​

Answer 1

1st experience of to going school.

Answer 2

Answer:

The one word substitution​ for memorable experiences of one's life is memoir.

Explanation:

Memoirs are collection of memorable incidences of a person's life ( both private and public) which are written down and the several assertions made in it are considered to be completely factual.

It is also considered to be a subcategory for autobiobraphy or biography.