gramatically
Common misspellings of the word grammatically are:
How do you spell grammatically?. It is not gramatically or even grammaticaly for that matter!
adj.- Of or relating to grammar.
- Conforming to the rules of grammar: a grammatical sentence.
[Late Latin grammaticÄlis, from Latin grammaticus, from Greek grammatikos, of letters. See grammar.]
grammaticality gram·mat'i·cal'i·ty (-kăl'Ä-tÄ“) n.
grammatically gram·mat'i·cal·ly adv.