Brown Driver Briggs

 1. to be right, be straight, be level, be upright, be just, be
lawful, be smooth
  1) (Qal)
1a1. to go straight
1a2. to be pleasing, be agreeable, be right (fig.)
1a3. to be straightforward, be upright
  2) (Piel)
1b1. to make right, make smooth, make straight
1b2. to lead, direct, lead straight along
1b3. to esteem right, approve
  3) (Pual) to be made level, be laid smoothly out
  4) (Hiphil) to make straight, look straight