Beginning is a term that refers to the start or commencement of something. There are several synonyms that can be used to replace the phrase 'from beginning.' 'From scratch' is a common phrase which refers to starting from nothing or starting over again. 'Inception' refers to the point at which something begins while 'commencement' means the beginning of an event or activity. 'Onset' refers to the start of a new phase or stage while 'genesis' and 'origination' refer to the creation of something. 'Initiation' is often used to describe the process of starting a new project or activity. These words can provide variation to your writing and convey the same meaning as 'from beginning'.