1. Choice 2. Alternative 3. Possibility 4. Selection 5. Preference
1. Maximize 2. Enhance 3. Improve 4. Refine 5. Streamline
1. Sole 2. Single 3. Exclusive 4. Mere 5. Just
1. Happen 2. Take place 3. Come about 4. Arise 5. Transpire
1. Barrier 2. Hurdle 3. Impediment 4. Bar 5. Difficulty
1. Thing 2. Article 3. Entity 4. Item 5. Subject
1. Shade 2. Tint 3. Subtlety 4. Distinction 5. Gradation
1. Observed 2. Recorded 3. Marked 4. Registered 5. Recognized
1. Notice 2. Mark 3. Memo 4. Comment 5. Annotation
Reminiscence Longing Sentimentality Yearning Retroactive
