prometteuses

In a sentence

• Les initiatives prometteuses des scientifiques apportent de nouvelles solutions.

  The scientists' promising initiatives bring new solutions.

  Here, 'prometteuses' is used as an adjective agreeing in gender (feminine plural) and number to describe 'initiatives', conveying that these initiatives hold potential for success.

• Les nouvelles innovations technologiques sont très prometteuses pour l'industrie.

  The new technological innovations are very promising for the industry.

  In this sentence, 'prometteuses' again functions as an adjective describing 'innovations' in a feminine plural context, implying these innovations show great prospects.

• Cette idée semble être l'une des plus prometteuses de notre projet.

  This idea seems to be one of the most promising of our project.

  Here, 'prometteuses' describes 'idée', aligning in gender and number to indicate it is considered among the most advantageous options in the project.