There appears to be some meaning to this word, in Spanish or another language. It is perhaps a portion of any foreign Word as quot; tr ansitio n quot; taken from English or French and it means transition. If you could meet the context where this word appears, you could probably identify or define its meaning more accurately.
ansitio is incorrectly written and it should be written as "nodded" being its meaning:
3rd person singular of the perfect past simple indicative form of the verb nod which means saying yes gesture or verbally, affirm or reaffirm something that someone has said, proposed or asked, admit, approve, ratify, accept, confirm, authorize, endorse, recognize, grant, make, pamper, conform...