The best replacement for convenience is convenient.

The best alternatives to convenience are rated as following:
★★★★★  convenient
★★★  security
★★  necessity
★  give me death
★  privacy
★  purposive sampling
★  quality
★  termination for default
★  random sample
★  purposive sample
★  true love
★  conviction
  scratch
  commitment
  specialty
  credibility
  laziness
  rapidshare

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

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



Google Trends

Scale is based on the average worldwide traffic of convenience in all years. Click on graph for more.
convenience
convenient
security