Open English Wordnet
Nouns
(n)experiment, experimentationthe testing of an idea“it was an experiment in living”, “not all experimentation is done in laboratories”
Verbs
(v)experimentto conduct a test or investigation“We are experimenting with the new drug in order to fight this disease”
(v)experiment, try outtry something new, as in order to gain experience“Students experiment sexually”, “The composer experimented with a new style”