alter

verb

1. cause to change; make different; cause a transformation

   verb.change

   Examples

   The advent of the automobile may have altered the growth pattern of the city.

   Synonyms change modify

   Source: WordNet 3.0

2. become different in some particular way, without permanently losing one's or its former characteristics or essence

   verb.change

   Synonyms change vary

   Source: WordNet 3.0

3. make an alteration to

   verb.creation

   Examples

   This dress needs to be altered.

   Source: WordNet 3.0

4. insert words into texts, often falsifying it thereby

   verb.change

   Synonyms falsify interpolate

   Source: WordNet 3.0

5. remove the ovaries of

   verb.body

   Synonyms castrate neuter spay

   Source: WordNet 3.0

6. To make otherwise; to change in some respect, either partially or wholly; to vary; to modify.

   verb

   Source: webster1913

7. To become, in some respects, different; to vary; to change; as, the weather <i>alters</i> almost daily; rocks or minerals <i>alter</i> by exposure.

   verb

   Source: webster1913