1. adjective
Our initial admiration for their efficiency gave way to disgust about their methods
b) Spatially first, placed at the beginning, in the first position; especially said of the first letter of a word
The initial stages of a syndrome may differ vastly from the final symptoms
2. noun
You can get your initials printed at the top.
3. verb
Please initial each page and sign the contract in full at the bottom.
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