indubitably (adverb)

1. In the distant future, when humans have colonized other planets and developed advanced technology, it is indubitably possible to travel faster than the speed of light.

2. The movie was so captivating and well-acted that it left the audience indubitably convinced of the actor's talent.

3. The artist's skillful brushstrokes and attention to detail indubitably created a masterpiece.

4. The superhero's extraordinary powers and invincibility made it indubitably clear that he would always prevail against the villains.