WordNet sense 1 (exhibiting or characterized by careful thought):

thoughtful

WordNet sense 2 (carefully thought out in advance):

calculated, measured

WordNet sense 3 (characterized by deliberate purpose and some degree of planning):

premeditated

WordNet sense 4 (produced or marked by conscious design or premeditation):

studied

WordNet sense 5 (by conscious design or purpose):

intentional, knowing

WordNet sense 6 (intentional or planned):

intended

WordNet sense 7 (with care and dignity):

careful

WordNet sense 8 (think about carefully; weigh):

consider, debate, moot, turn over