15-Letter Words Containing: I,A,T,R,I,X

• a performance given extempore without planning or preparation

• attributing to outside causes

• embodying in an outward form

• embodying in an outward form

• an empirical doctrine that advocates experimental principles

• an orientation that favors experimentation and innovation

• the property of being equally skillful with each hand

• to a surprising degree

• the testing of an idea

• the act of conducting a controlled test or investigation

• a performance given extempore without planning or preparation