grammatical
a. இலக்கணம் சார்ந்த, இலக்கண விதிகளையொட்டிய.
Gram*mat"ic*al, a. Etym: [L. grammaticus, grammaticalis; Gr. grammatical. See Grammar.] 1. Of or pertaining to grammar; of the nature of grammar; as, a grammatical rule. 2. According to the rules of grammar; grammatically correct; as, the sentence is not grammatical; the construction is not grammatical. -- Gram*mat"ic*al*ly, adv. -- Gram*mat"ic*al*ness, n.