reckon and its synonyms

Synonyms: consider, deem, regard, account, reckon

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.

Synonyms: calculate, compute, reckon, cipher, figure

These verbs refer to the use of mathematical methods to determine a result.

• Calculate, the most comprehensive, often implies a relatively high level of abstraction or procedural complexity: The astronomer calculated the planet's position. 
• Compute applies to possibly lengthy arithmetic operations: computing fees according to time spent. 
• Reckon, cipher, and figure suggest the use of simple arithmetic:
  .. reckoned the number of hours before her departure; 
  .. had to be taught to read and to cipher;
  .. trying to figure my share of the bill.

.... Am-Heritage