1. (adjective) producing a strong effect

• telling

1. (adjective) making a strong or vivid impression

• amazing
• awe-inspiring
• awesome
• awful
• awing
• arresting
• sensational
• stunning
• astonishing
• astounding
• staggering
• stupefying
• baronial
• imposing
• noble
• stately
• brilliant
• glorious
• magnificent
• splendid
• dazzling
• eye-popping
• fulgurant
• fulgurous
• dramatic
• spectacular
• striking
• expansive
• grand
• heroic
• formidable
• gallant
• lofty
• majestic
• proud
• grandiose
• important-looking
• mind-boggling
• palatial
• signal
• thundering

2. (adjective) producing a strong effect

• effective
• effectual
• efficacious

1. (adjective) making a strong or vivid impression

• moving

1. (adjective) making a strong or vivid impression

• affect
• impress
• move
• strike
• grandness
• impressiveness
• magnificence
• richness
• impress
• impressiveness

2. (adjective) producing a strong effect

• affect
• impress
• move
• strike
• impress
• ingrain
• instill
• impressiveness

1. (adjective) making a strong or vivid impression

• unimpressive