In 1 Thessalonians 4, we find a passage where our word (sanctification) appears three times, each presenting the idea of being or becoming holy.
1 Thessalonians 4:3 For this is the will of God, your sanctification; that is, that you abstain from sexual immorality;
Here "your holy behavior" is the intended meaning based on context.
1 Thessalonians 4:4 that each of you know how to possess his own vessel in sanctification and honor,
Here "holiness" is the intended meaning based on context.
1 Thessalonians 4:7 For God has not called us for the purpose of impurity, but in sanctification.
Here "for holiness" is the intended meaning based on context.
1 Thessalonians 4:3 For this is the will of God, your sanctification; that is, that you abstain from sexual immorality;
Here "your holy behavior" is the intended meaning based on context.
1 Thessalonians 4:4 that each of you know how to possess his own vessel in sanctification and honor,
Here "holiness" is the intended meaning based on context.
1 Thessalonians 4:7 For God has not called us for the purpose of impurity, but in sanctification.
Here "for holiness" is the intended meaning based on context.