13-Letter Words Containing: A,S,T,E,U,R

• a drug used to reduce stress or tension without reducing mental clarity

• make calm or still

• cause to be calm or quiet as by administering a sedative to

• the flower of a chrysanthemum plant

• any of numerous perennial Old World herbs having showy brightly colored flower heads of the genera Chrysanthemum, Argyranthemum, Dendranthema, Tanacetum; widely cultivated

• To categorize more specifically by placing in a subcategory.

• (grammar) To practice subcategorization.

• Any qualified majority, specified in advance of a vote, required for the vote to be passed

• a productive insight

• making an important discovery

• a penetration of a barrier such as an enemy's defense

• a quantum of energy (in a crystal lattice or other system) that has position and momentum and can in some respects be regarded as a particle

• (especially of certain insects) having very short or rudimentary wings