1. To think carefully about.
2. To think or deem to be; regard as. See Usage Note at as¹.
3. To form an opinion about; judge: considers waste to be criminal.
4. To take into account; bear in mind: Her success is not surprising if you consider her excellent training.
5. To show consideration for: failed to consider the feelings of others.
6. To esteem; regard.
7. To look at thoughtfully.

Synonyms: These verbs refer to holding opinions or views that are based on evaluation. Consider suggests objective reflection and reasoning: He considers success to be of little importance.
Deem is more subjective, emphasizing judgment rather than contemplation: The faculty deemed the essay to be acceptable.
Regard often implies a personal attitude: I regard your apology as genuine.
Account and reckon in this sense are literary and imply calculated judgment: "I account no man to be a philosopher who attempts to do more" (John Henry Newman). "I cannot reckon you as an admirer" (Nathaniel Hawthorne).