I . v. a.
1.
Increase, augment, extend, expand, magnify, amplify, make larger, make greater.
2.
Greaten, engreaten, ennoble, expand, give larger scope to, make more comprehensive.
II . v. n.
1.
Expatiate, dilate, descant, speak at length, launch out.
2.
Increase, swell, grow, extend, expand, grow larger.