keep in one's mind; "I cannot retain so much information"
secure and keep for possible future use or application; "The landlord retained the security deposit"; "I reserve the right to disagree"
allow to remain in a place or position; "We cannot continue several servants any longer"; "She retains a lawyer"; "The family's fortune waned and they could not keep their household staff"; "Our grant has run out and we cannot keep you on"; "We kept the work going as long as we could"
hold within; "This soil retains water"; "I retain this drug for a long time"
give evidence of the quality of; "The mess in his dorm room reflects on the student"
give evidence of a certain behavior; "His lack of interest in the project reflects badly on him"
to throw or bend back or reflect (from a surface); "A mirror in the sun can reflect light into a person's eyes"; "Sound is reflected well in this auditorium"
manifest or bring back; "This action reflects his true beliefs"
be bright by reflecting or casting light; "Drive carefully--the wet road reflects"
accept (someone) to be what is claimed or accept his power and authority; "The Crown Prince was acknowledged as the true heir to the throne"; "We do not recognize your gods"
accept as legally binding and valid; "acknowledge the deed"
express obligation, thanks, or gratitude for; "We must acknowledge the kindness she showed towards us"
report the receipt of; "The program committee acknowledged the submission of the authors of the paper"