Definitions of likely:

• adjective:   has a good chance of being the case or of coming about

  Example: "These services are likely to be available to us all before long"

• adjective:   within the realm of credibility

  Example: "Not a very likely excuse"

• adjective:   likely but not certain to be or become true or real

  Example: "A likely result"

• adjective:   expected to become or be; in prospect
• adverb:   with considerable certainty; without much doubt