Answer:
The word that Kiran liked most was 'contagious' because she thinks that many things like laughter, passion and inspiration is contagious.
Step-by-step explanation:
Kiran Bir Sethi is an Educational reformer and Social Entrepreneur. She founded the school Riverside in the Ahmadabad of which she is a director too.
In her TED talks the word the she most used, that reveals that she liked this word, was 'Contagious.' She liked this word, as revealed in her talks because she believes that many things in this world are contagious such as laughter, passion, and inspiration.