Alternative form of on-topic

topical

Subject; theme; a category or general area of interest. / (Internet) Discussion thread. / (music) A musical sign intended to suggest a particular style or genre. / (obsolete) An argument or reason.

In a topical manner. / (medicine) (Applied) to a localized part of the body.

(grammar) To place the topic of a sentence at the beginning. / (sociology) To treat (a subject) as a topic.

(linguistics) The placing of the topic of a sentence at the beginning.

plural of topic

simple past tense and past participle of topicalize

(linguistics, of a sentence) Having the topic at the beginning.

Relating to a particular topic or subject. / Relating to a topic or subject of current interest. / Local to a particular place / (medicine, not comparable) Applied to a localized part of the body.