fascinating as in capable of arousing and holding the attention

• "a fascinating story"

Synonyms

• absorbingcapable of arousing and holding the attention
• engrossingcapable of arousing and holding the attention
• grippingcapable of arousing and holding the attention
• rivetingcapable of arousing and holding the attention

fascinating as in capturing interest as if by a spell

• "bewitching smile"
• "Roosevelt was a captivating speaker"
• "enchanting music"
• "an enthralling book"
• "antique papers of entrancing design"
• "a fascinating woman"

Synonyms

• bewitchingcapturing interest as if by a spell
• captivatingcapturing interest as if by a spell
• enchantingcapturing interest as if by a spell
• enthrallingcapturing interest as if by a spell
• entrancingcapturing interest as if by a spell