SYNTACTIC
syntactic, syntactical
(adjective) of or relating to or conforming to the rules of syntax; “the syntactic rules of a language”
Source: WordNet® 3.1
Etymology
Adjective
syntactic (comparative more syntactic, superlative most syntactic)
Of, related to or connected with syntax.
Containing morphemes that are combined in the same order as they would be if they were separate words e.g. greenfinch
Synonyms
• (of, related to or connected with syntax): syntactical
Source: Wiktionary
Syn*tac"tic, Syn*tac"tic*al, a. Etym: [Cf. G. Syntax.]
Definition: Of or pertaining to syntax; according to the rules of syntax,
or construction.
– Syn*tac"tic*al*ly, adv.
Source: Webster’s Unabridged Dictionary 1913 Edition