Answer: mostly

AnswerCrossword Clue
MOSTLYAlmost all
MOSTLYPretty much
MOSTLYTo a large degree
MOSTLYOn the whole
MOSTLYIn the main
MOSTLYTo a large extent
MOSTLYIn the main.
MOSTLYIn large part.
MOSTLYIn general
MOSTLYChiefly
MOSTLYFor the greatest part
MOSTLYBy and large
mostlymainly (for the most part)
mostlyAs regards the greater part or number