Syntactical (adjective)

1. Relating to syntax, the rules governing the structure of sentences in language.
2. Arranged in or according to a grammatical structure.

Origin:

Early 19th century. from modern latin syntacticus, from greek suntaktikos, from sun- "together" + tassein "arrange".

Examples:

1. The sentence had a few syntactical errors.
2. The syntactical structure of the poem was intricate.
3. The syntactical analysis of the text revealed its underlying meaning.
4. The syntactical rules of the language were complicated.
5. The syntactical arrangement of words in the sentence was crucial to its meaning.