The phrase "full scale" refers to something that is done or measured to the maximum extent possible. It can be useful to have synonyms for this term for the purposes of variety or specificity. An alternative way to express full scale might be to use words such as comprehensive, complete, thorough, exhaustive, or all-encompassing. Each of these synonyms adds a slightly different connotation to the idea of something being done as fully as possible. Other possibilities include all-out, unrestricted, unreserved, and unabridged. Whatever the chosen synonym, the idea of something being done to the greatest extent possible remains the same.