glad - i - a - to - r - i - al
There are many reasons to learn how to divide gladiatorial into syllables. Separating a word like gladiatorial into syllables is mainly to make it easier to read and pronounce. The syllable is the smallest sound unit in a word, and the separation of the gladiatorial into syllables allows speakers to better segment and emphasize each sound unit.
Knowing how to separate gladiatorial into syllables can be especially useful for those learning to read and write, because it helps them understand and pronounce gladiatorial more accurately. Furthermore, separating gladiatorial into syllables can also be useful in teaching grammar and spelling, as it allows students to more easily understand and apply the rules of accentuation and syllable division.
In the case of the word gladiatorial, we find that when separating into syllables the resulting number of syllables is 7. With this in mind, it's much easier to learn how to pronounce gladiatorial, as we can focus on perfecting the syllabic pronunciation before trying to pronounce gladiatorial in full or within a sentence. Likewise, this breakdown of gladiatorial into syllables makes it easier for us to remember how to write it.