| No. | Item | Definition |
|---|---|---|
| 1. | account | reported source of facts |
| 2. | agency | means or source of action |
| 3. | archive | stored historical source |
| 4. | arsenal | stocked source of means |
| 5. | author | person who created it |
| 6. | authority | trusted source of information |
| 7. | bank | stored supply or reserve |
| 8. | base | foundation or source |
| 9. | basis | underlying support or foundation |
| 10. | bedrock | fundamental source or basis |
| 11. | begetter | one who causes or creates |
| 12. | beginning | point at which something starts |
| 13. | birth | origin or emergence |
| 14. | birthplace | place where something began |
| 15. | catalyst | thing causing change or action |
| 16. | cause | thing that makes something happen |
| 17. | center | main point of origin |
| 18. | chronicle | recorded source of events |
| 19. | commencement | formal beginning or start |
| 20. | conduit | channel for carrying supply |
| 21. | core | central source or part |
| 22. | cradle | place where something begins |
| 23. | database | organized source of data |
| 24. | deposit | natural accumulation as source |
| 25. | depository | place where things are kept |
| 26. | derivation | way something originates |
| 27. | document | written source of information |
| 28. | dossier | collected source documents |
| 29. | driver | main force behind something |
| 30. | engine | driving force or source |
| 31. | feed | supplied input or source |
| 32. | feeder | thing that supplies another |
| 33. | field | area producing a resource |
| 34. | font | source of something desirable |
| 35. | foundation | underlying source of support |
| 36. | fount | source of supply or inspiration |
| 37. | fountainhead | original source or origin |
| 38. | fuel | source of energy |
| 39. | fund | available source of money |
| 40. | generator | thing that produces something |
| 41. | genesis | origin or mode of formation |
| 42. | ground zero | place where something starts |
| 43. | headspring | source spring of a stream |
| 44. | headwater | stream’s source area |
| 45. | hub | central source or focus |
| 46. | impetus | driving source of motion |
| 47. | inception | beginning or starting point |
| 48. | informant | person supplying information |
| 49. | inlet | way something flows in |
| 50. | intake | point where supply enters |
| 51. | launch point | point from which something starts |
| 52. | ledger | record book as source |
| 53. | lifeline | vital source of support |
| 54. | lode | deposit yielding valuable material |
| 55. | mainspring | chief source of action |
| 56. | maker | one who produces something |
| 57. | means | available source or method |
| 58. | mine | rich source of material |
| 59. | mother lode | chief or rich source |
| 60. | motive force | driving source of movement |
| 61. | nucleus | central source or core |
| 62. | onset | beginning of something |
| 63. | origin | starting point or place |
| 64. | originator | person who first creates |
| 65. | outlet | place where something emerges |
| 66. | paper | written source or article |
| 67. | parent | source from which derived |
| 68. | pipeline | means of supplying something |
| 69. | point of origin | exact place something begins |
| 70. | prime mover | chief source of action |
| 71. | producer | thing that creates or supplies |
| 72. | provenance | place or origin history |
| 73. | provider | one that supplies |
| 74. | quarry | source from which obtained |
| 75. | record | stored source of facts |
| 76. | reference | cited information source |
| 77. | register | official recorded source |
| 78. | report | written source of information |
| 79. | repository | place where things are stored |
| 80. | resource | useful source of help |
| 81. | rise | beginning or origin |
| 82. | root | basic origin or source |
| 83. | seat | center or source of something |
| 84. | spark | small source of action |
| 85. | spring | natural point of origin |
| 86. | springhead | place where a spring begins |
| 87. | starting point | place or stage of beginning |
| 88. | store | accumulated supply or source |
| 89. | storehouse | place holding a supply |
| 90. | supply | available amount provided |
| 91. | taproot | deep original source |
| 92. | text | written source material |
| 93. | treasury | source of funds or riches |
| 94. | tributary | stream feeding a larger one |
| 95. | trigger | thing that starts something |
| 96. | underpinning | supporting basis or source |
| 97. | vein | source of mineral supply |
| 98. | warehouse | storage source for goods |
| 99. | well | deep source of water |
| 100. | wellspring | original and abundant source |

