The lexicographic meaning of a word, if one is uncertain, is to be found in a good dictionary. However, some people, in the use of a particular word, stipulate their own meaning and forget to tell one about it. Of course you don't- till I tell you. I, personally, in years past, would become very nervous with grammatical presentation. I suppose I didn't want to become known as ignorant.
Unintentional ambiguity is a serious professional error.
To do so it will be necessary to be familiar with the conventions. One can only become familiar with conventions by looking to others. When it comes to writing it is necessary to read, and to read a lot, day in, day out. The extent and the correctness of our interpretations is a direct function of our knowledge of language. We cannot begin to understand this world without first having a through grasp of language, as a topic.