Flush of success and Self-satisfaction

Self-satisfaction and flush of success are semantically related In some cases you can replace phrase "Self-satisfaction" with "Flush of success", this phrases are similar.

Self-satisfaction noun - An often unjustified feeling of being pleased with oneself or with one's situation or achievements.

Flush of success and self-satisfaction are semantically related in smugness topic. You can use "Flush of success" instead a noun phrase "Self-satisfaction".