Fantastic

Fantastic was a term used frequently by the Ninth Doctor. (TV: Rose, et al.)

He used the term, in the presence of Jabe, incorrectly and she responded "In what way is that fantastic?". (TV: The End of the World)

The Ninth Doctor later used it whilst building a Delta wave. (TV: The Parting of the Ways)

Jack Harkness described the last remaining humans in the universe as "fantastic" to the Tenth Doctor. (TV: Utopia)

Mr Clever used the term while playing chess against the Eleventh Doctor. (TV: Nightmare in Silver)