v.tr. (often absol.) 1 contemplate mentally, esp. in order to reach a conclusion. 2 examine the merits of (a course of action, a candidate, claim, etc.). 3 give attention to. 4 reckon with; take into account. 5 (foll. by that + clause) have the opinion. 6 (foll. by compl.) believe; regard as (consider it to be genuine; consider it settled). 7 (as considered adj.) formed after careful thought (a considered opinion). all things considered taking everything into account.
[ ME f. OF considerer f. L considerare examine ]