AV - work 12, show forth (one's) self 2, wrought 1, be effectual 1, effectually work 1, effectual fervent 1, work effectually in 1, be might in 1, to do 1; 21
1) to be operative, be at work, put forth power
1a) to work for one, aid one
2) to effect
3) to display one's activity, show one's self operative