topicalise

/T AA1 P IH0 K AH0 L AH0 S/
verb
  1. 1

    To place the topic of a sentence at the beginning.

  2. 2

    To treat (a subject) as a topic.

Source: https://en.wiktionary.org/wiki/topicalise, https://en.wiktionary.org/wiki/topicalize