mainly

adverb4

1. •
   for the most part, though not in every case
2. •
   (no longer used) Forcefully, vigorously.

   • Such breadth of shoulders as might mainely beare Olde Atlas burthen, […] — 1587
3. •
   (no longer used) Of the production of a sound: loudly, powerfully.

   • But in the end, mainly crying out, he fell to raling and wringing his master, upbraiding him that he was not a true Philosopher[…]. — 1603
4. •
   (no longer used) To a great degree; very much.