Romans 1:16-17 For I am not ashamed of the gospel of Christ: for it is the power of God unto salvation to every one that believeth; to the Jew first, and also to the Greek. For *therein is the righteousness of God revealed from faith to faith: as it is written, The just shall live by faith.

1 Corinthians 15:1-6  Moreover, brethren, I declare unto you the gospel which I preached unto you, which also ye have received, and wherein ye stand; By which also ye are saved, if ye keep in memory what I preached unto you, unless ye have believed in vain. For I delivered unto you first of all that which I also received, how that **Christ died for our sins according to the scriptures; And that he was buried, and that he rose again the third day according to the scriptures: And that he was seen of Cephas, then of the twelve: After that, he was seen of above five hundred brethren at once; of whom the greater part remain unto this present, but some are fallen asleep.

Titus 3:5-7  Not by works of righteousness which we have done, but according to his mercy he saved us, by the washing of regeneration, and renewing of the Holy Ghost; Which he shed on us abundantly through Jesus Christ our Saviour; ***That being justified by his grace, we should be made heirs according to the hope of eternal life.

Romans 3:24 Being justified freely by his grace through the redemption that is in Christ Jesus:

* God’s righteousness is revealed in the Gospel of Christ; the righteous believe it by faith.

** the death, burial, and resurrection of Christ is the basis of the Gospel message.

*** the gospel message is about being made just by the grace of Christ apart from our own works.

Websters 1828 dictionary defines the gospel as follows:

GOS'PEL, n. L. evangelium, a good or joyful message.

The history of the birth, life, actions, death, resurrection, ascension and doctrines of Jesus Christ; or a revelation of the grace of God to fallen man through a mediator, including the character, actions, and doctrines of Christ, with the whole scheme of salvation, as revealed by Christ and his apostles. This gospel is said to have been preached to Abraham, by the promise, "in thee shall all nations be blessed." Ga.3.8.

It is called the gospel of God. Rom.1.1.

It is called the gospel of Christ. Rom.1.16.

It is called the gospel of salvation. Eph. 1.13.