Render useful and Vellicate

Vellicate and render useful are semantically related. In some cases you can use "Vellicate" instead a verb phrase "Render useful".

Vellicate verb - Touch (a body part) lightly so as to excite the surface nerves and cause uneasiness, laughter, or spasmodic movements.

Render useful and vellicate are semantically related. Sometimes you can use "Render useful" instead a verb "Vellicate".