Synonyms of the word 
PUNCTILIOUS → METICULOUS - PRECISE
punctilious
- adj. Strictly attentive to detail; meticulous or fastidious, particularly to codes or conventions.
- adj. Precise or scrupulous; finicky or nitpicky.
meticulous
- adj. Characterized by very precise, conscientious attention to details.
- adj. (archaic) Timid, fearful, overly cautious.
precise
- adj. Exact, accurate.
- adj. (sciences) Of experimental results, consistent, clustered close together, agreeing with each other. This…
- v. (used by non-native speakers or in jargons, transitive) To make or render precise.
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