Occasion
Part of speech: noun
Definition: A falling out, happening, or coming to pass; hence, that which falls out or happens; occurrence; incident. A favorable opportunity; a convenient or timely chance; convenience. An occurrence or condition of affairs which brings with it some unlooked-for event; that which incidentally brings to pass an event, without being its efficient cause or sufficient reason; accidental or incidental cause. Need; exigency; requirement; necessity. A reason or excuse; a motive; a persuasion.
Part of speech: verb
Definition: To give occasion to; to cause; to produce; to induce; as, to occasion anxiety.
Opportunity
Part of speech: noun
Definition: a chance for advancement, progress or profita favorable circumstance or occasion