Synonyms

Felicitating is a formal synonym for congratulating someone on a happy event or achievement. Requesting means asking for something, nodding is a physical gesture of agreement, and bidding refers to making an offer or command.

Unaware means not aware or concious i.e ignorant. Unknown means mysterious or something remote. So, it is not similar to unaware. Cruel and foolish are out of context here.

To waive something means to refrain from insisting on or using a right or claim. Condoned means to accept or allow behavior that is considered morally wrong or offensive, which is the closest synonym among the choices provided.

A custodian is a person who has responsibility for or looks after something. Caretaker is a direct synonym for someone who performs these duties.

Lenient describes someone who is more merciful or tolerant than expected. Kind is the closest synonym among the options, as it reflects a gentle and compassionate nature.

Reluctant means hesitant or unwilling.

Invincible means too powerful to be defeated or overcome. Unconquerable is a direct synonym.

Deliberately means done consciously and intentionally. Intentionally is a direct synonym.

Ridiculous means deserving or inviting derision or mockery; absurd. Absurd is a direct synonym.

Masses refers to the ordinary or common people. People is the correct synonym.

Immature means not fully developed or having an emotional development that is not appropriate for one's age. Undeveloped is a direct synonym.

To amaze is to cause someone to be greatly surprised. Surprise is a direct synonym.

Flexible means capable of bending easily without breaking. Pliant is a direct synonym.

A need is a circumstance in which something is necessary. Requirement is a direct synonym.

Velocity is the speed of something in a given direction. Speed is the most accurate synonym provided.

Conflict refers to a serious disagreement or argument. Strife is a direct synonym for bitter conflict or discord.

A damsel is a young unmarried woman. Maiden is a direct synonym.

Hospitality is the friendly and generous reception and entertainment of guests. Generosity is the closest synonym among the choices.

Accessible means able to be reached or entered. Approachable is a direct synonym.

Calm means not showing or feeling nervousness, anger, or other strong emotions. Quiet is the closest synonym among the options.

Lucid means expressed clearly or easy to understand. Clear is a direct synonym.

Recognised means identified from previous encounters or knowledge. Identified is a direct synonym.

Captivating means capable of attracting and holding interest. Attractive is a direct synonym.

Reluctant means feeling or showing hesitation or unwillingness. Unwilling is a direct synonym.

Rectify means correcting i.e. improving. Amend is changing/ revising, and is not as appropriate as improve...emending meaning correcting would have been correct.