13-Letter Words Containing: T,S,I,N

• to believe especially on uncertain or tentative grounds

• the mathematical process of finding the maximum value of a function

• the act of raising to the highest possible point or condition or position

• change from a simple vowel to a diphthong

• the act of making equal or uniform

• 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 act of dividing into quanta or expressing in terms of quantum theory