Definitions
1.nounA person who is running in an election.
2.nounA person who is applying for a job.
3.nounA participant in an examination.
4.nounSomething or somebody that may be suitable.
5.nounA gene which may play a role in a given disease.
6.verbTo stand as a candidate for an office, especially a religious one.
7.verb(chiefly in jargon and NNES) To make or name (something) a candidate (for use, for study as a next project, for investigation as a possible cause of something, etc).