What is another word for on order of?
Pronunciation: [ˌɒn ˈɔːdəɹ ɒv] (IPA) 
The phrase "on order of" is often used to indicate an approximate quantity or measurement, but there are numerous synonyms that could be used in its place. Alternatives include "approximately," "about," "roughly," "nearly," "almost," and "virtually." For example, instead of saying "the project will cost on order of $10,000," one could say "the project will cost approximately $10,000." Other phrases that convey a similar sense of rough estimation include "in the ballpark of," "in the vicinity of," and "circa." It's important to choose the right word based on the intended nuance of the sentence, but these synonyms offer flexibility and precision for expressing approximations.
