regardful

adjective2

1. •
   Respectful.

   • I[…]take care for the generall, to have a regardfull respect of that which you leave behind you. — 1603
2. •
   (no longer used) Watchful, observant.

   • And euermore, when with regardfull sight / She looking backe, espies that griesly wight / Approching nigh, she gins to mend her pace[…]. — 1596