exclamation /eks-klə-māˈshən/ noun

1. A sharp cry or other utterance
2. Outcry
3. An uttered expression of surprise, etc
4. The mark expressing this (!) (also exclamation mark or (US) point)
5. An interjection

exclamaˈtional adjective

exclamative /eks-klamˈə-tiv/ or exclamˈatory adjective

Containing or expressing exclamation