An imitation manner is something that does something in the manner of something else. Imitation over and over and over. Make it into a pattern.
This is a jukugo word, which usually means on'yomi readings from the kanji. Since you didn't learn the on'yomi for 様 with the kanji, here's a mnemonic to help you out. You see a pattern in your yogurt (よう). The yogurt is an imitation of life. So deep, man. So deep.
My wife likes patterns with small flowers.