Lat. Do you undertake? I do undertake. The most common form of verbal stipulation in the Roman law. Inst 3, 16, L Spondet peritiam artis. He promises the skill of his art; he engages to do the work in a skillful or workmanlike manner. 2 Kent, Comm. 588. Applied to the engagements of workmen for hire. Story, Bailm.