i Register
In some senses, based is marked as slang, humorous. Watch for register when choosing this word.
ADJ.
careful, mutual, new, new, own, positive, positive, random
Their decision was based on careful analysis of the market data.
VERB + BASED
film, pay, plan, play, poll, think
The movie was based on a popular novel that everyone had read.
BASED + NOUN
argument, armonk, best-selling, fact, goods, idea, observation, others
The argument based on that fact simply didn't convince the jury.
PREP.
in, in, on, upon
The decision was based on the latest research and expert recommendations.
ADV.
essentially, soundly
The company's decision was essentially based on market research and customer feedback.