Spelling words puzzle

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Across
  1. 1. to be exact, near or approaching a certain state, condition, goal, or standard.
  2. 3. to achieve or reach a goal
  3. 6. to fasten, join, or attach
  4. 7. to come together; assemble, especially in large numbers
  5. 12. to recompense for something
  6. 16. supplied with or containing explanatory notes, textual comments
  7. 17. an act, process, or method of computing; calculation
  8. 20. easily seen or noticed; readily visible or observable
  9. 24. to act in accordance or harmony; comply
  10. 25. to estimate the monetary value of; determine the worth of; assess
  11. 26. not predictable; not to be foreseen or foretold
  12. 27. to bring together into a single or unified whole; unite; combine
Down
  1. 1. to set apart for a particular purpose; assign or allot
  2. 2. easily seen or noticed; readily visible or observable
  3. 4. preceding and leading up to the main part, matter, or business; introductory; preparatory
  4. 5. a person who is frequently in the company of, associates with, or accompanies another
  5. 6. to stay attached; stick fast; cleave; cling
  6. 8. to affirm again; reassert
  7. 9. not in a direct course or path; deviating from a straight line; roundabout
  8. 10. not necessary or essential; needless; unessential
  9. 11. not voluntary; independent of one's will; not by one's own choice
  10. 13. to settle or decide in advance
  11. 14. to choose or take as one's own; make one's own by selection or assent
  12. 15. the act of combining parts or elements to form a whole
  13. 18. to establish the truth, accuracy, validity, or genuineness of; corroborate; verify
  14. 19. a collection of various kinds of things; a mixed collection
  15. 21. to exist together or at the same time
  16. 22. any member of a class of words found in many languages that are used before nouns, pronouns, or other substantives to form phrases functioning as modifiers of verbs, nouns, or adjectives, and that typically express a spatial, temporal, or other relationship, as in, on, by, to, since
  17. 23. to wok together or with someone