A query suggesting an intent to complete an action, such as buying, booking or requesting a service.
A transactional keyword suggests that the searcher wants to complete an action, such as ordering a product, booking an appointment or requesting a service. Words like buy or book can be strong clues. They still do not prove that a particular visitor will finish the transaction.
The landing page needs to support the action implied by the query. That usually means clear availability, relevant details, an understandable price or quote process and a working next step. A page that discusses the topic but gives no usable way to act may leave the central need unmet.
Transactional does not always mean an immediate paid purchase. A request for an estimate can start a longer selection process. Searchers can also change their minds when they see eligibility conditions, delivery limits or costs. Evaluate the resulting inquiries or orders rather than assuming that the intent label predicts their value.
Takeaway: Prioritize a reliable action path for suitable visitors. Be explicit about what happens after a booking, purchase or request so the page does not promise more than the business can deliver.
Example
A photographer targets searches about booking a product photography session. The relevant page explains the session scope and provides a real availability or inquiry process. A portfolio alone may show capability, but it does not necessarily answer how to arrange the work.
What to check
Test the complete path on mobile and desktop, including confirmation messages. Do not imply immediate availability when a request still requires review. Separate completed actions from form starts in performance reporting.
For more detail, see How Google ranks results.