largely

largely
large‧ly S3 W2 /ˈlɑːdʒli $ ˈlɑːr-/ adverbmostly or mainly:
    The state of Nevada is largely desert.
    It had been a tiring day, largely because of all the tedious waiting.
     

THESAURUS

   ▪ in general used when saying that something is usually true in most situations, or about most people or things: In general, temporary jobs are less well-paid. | In general, the bigger a company becomes, the harder it is to maintain customer satisfaction.
   ▪ generally another way of saying ‘in general’, which is often used before a verb. Generally can also be used to say that most people have a particular opinion: Women generally live longer than men. | Newton is generally regarded as the father of modern science.
   ▪ generally speaking/as a rule other ways of saying ‘in general’: Generally speaking, large breeds of dog are becoming less popular. | He’s a singer who doesn’t do interviews, as a rule. | The graduates are, generally speaking, a confident and articulate group of young people.
   ▪ mostly/mainly/largely used when saying that something is true about most people or things, or about most of something. Largely is slightly more formal than mostly or mainly: The disease mainly affects women. | Their attempts were largely unsuccessful. | The students were mostly French and German, but there were a few Japanese students too.
   ▪ for the most part used when saying that something is true in most cases, but not in every case: These problems have for the most part been resolved. | For the most part, the gangs were made up of boys aged between 11 and 16.
   ▪ by and large/on the whole used for saying that something is true in most ways or in most cases: The project was, by and large, a success. | On the whole, people were very friendly.