The best replacement for tagline is slogan.

The best alternatives to tagline are rated as following:
★★★★★  slogan
★★★  tag line
★★★  logline
★★★  headline
★★★  motto
★★  strapline
★  tagline
★  byline
★  punchline
★  mission statement
★  positioning statement
  mantra

Your alternative for tagline is not listed? Suggest!
Speaking about tagline, one probably shouldn't forget about logo.

Other search terms related to tagline and their ratings are:
★★★★★ logo
You have in mind a companion for tagline and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of tagline in all years. Click on graph for more.
tagline
slogan
tag line