deviation. 1  the act of deviating. 2  departure from a standard or norm. 3  Statistics. the difference between one of a set of values and some fixed value, usually the mean of the set. 4  Navigation. the error of a magnetic compass, as that of a ship, on a given heading as a result of local magnetism. 5  Optics.
The definition of an invitation is a request for a person's attendance at an event. An example of an invitation is a printed card asking family and friends to come to the sender's wedding. 1  an inviting to come somewhere or do something. 2  the message or note used in inviting.  enticement or allurement.
Propose is defined as to suggest or recommend or to ask for someone's hand in marriage. An example of to propose is to suggest a new budget for a school. An example of to propose is for a man to ask a woman to marry him. propose. to nominate (someone) for membership, office, etc. propose.