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

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

• To make (something or someone) tranquil.

• To become tranquil.

• Exhibiting symmetry around an axis; exhibiting cylindrical symmetry.

• 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

• change something so that its value declines; for example, art forms

• declare a child to be illegitimate

• be or provide a memorial to a person or an event

• make famous forever

• interpret romantically

• make romantic in style

• act in a romantic way