Emphatic (adjective)

1. Expressing something forcibly and clearly.
2. Done with emphasis.
3. Strongly expressive.

Origin:

Late 16th century: via latin from greek emphatikos, from em- "in, on" + phasis "utterance".

Examples:

1. He made an emphatic point.
2. She gave an emphatic denial.
3. The speaker's tone was very emphatic.
4. He made an emphatic statement.
5. She gave an emphatic nod.