Busts, as broncos

• Breaks, as a bronco
• Breaks, at a ranch
• Breaks, perhaps
• Breaks at the ranch
• Breaks, as a horse
• Causes to be docile
• Breaks on a ranch
• Domesticates, as a wild animal
• Handles, as a shrew

Wiktionary Word definitions in Wiktionary
vb. (en-third-person singular of: tame )