12-Letter Words Containing: A,I,R,S,T,U

• To calm (a person or animal) or put them to sleep using a drug.

• To make (something or someone) tranquil.

• To become tranquil.

• a respondent who avoids giving a clear direct answer

• Any solid with conventional crystalline properties but exhibiting a point group symmetry inconsistent with translational periodicity

• involving the fourth and no higher power of a quantity or degree

• an algebraic equation or function of the fourth degree

• an equation of the fourth degree

• a polynomial of the fourth degree

• the fleshy part of the human body that you sit on

• the part of an animal that corresponds to the human buttocks

• an ability that has been acquired by training

• an adventurer (especially one who led the Spanish conquest of Mexico and Peru in the 16th century)

• equally skillful with each hand

• marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another