Meticulous (adjective)

1. Taking great care and attention to detail, especially in an academic, artistic, or scientific field.
2. Paying attention to every aspect of something.

Origin:

Late 16th century: from latin meticulous, from meticulosus (from metus "fear" + -culus, diminutive suffix) which means, "full of fear or anxiety".

Examples:

1. The artist was meticulous in her preparation of the canvas.
2. The detective was meticulous in her investigation, leaving no stone unturned.
3. The scientist's meticulous approach to research was admirable.
4. The meticulous attention to detail was reflected in the final product.
5. The meticulous work was evident in the perfectly executed final result.